Chuuk Climate

Last updated: January 18, 2025

Chuuk, Micronesia, is characterized by a tropical rainforest climate (Koppen-Geiger class Af), exhibiting consistently warm temperatures throughout the year. The minimum temperature during April reaches 25°C (76°F), while the annual average hovers around 27°C (82°F). Notably, October sees the highest temperatures, peaking at 30°C (87°F). This stable, warm climate supports a rich biodiversity and unique ecosystems, making Chuuk not only a beautiful destination but also a vital area for ecological studies.

Chuuk temperature by month

Temperature patterns in Chuuk, Micronesia, exhibit remarkable consistency throughout the year, characterized by warm conditions. Monthly minimum temperatures maintain a steady low of 25°C (77°F), while average temperatures range from 27°C (81°F) to 28°C (82°F). The maximum temperatures experience slight fluctuations, peaking at 30°C (87°F) during the warmer months of October, July, and June. The cooler months, particularly from January to April, generally see max temperatures around 29°C (85°F), creating a subtle seasonal rhythm. Overall, Chuuk's tropical climate supports a stable thermal environment, ideal for both residents and diverse ecosystems.

Monthly Temperatures in Chuuk, Micronesia

The chart illustrates Chuuk's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec818281818281818182828282
Data source: Chuuk temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

Ettal experiences a minimum temperature of 25°C (77°F) in April and peaks at 30°C (87°F) in October, making it a warm destination year-round. Similarly, Polowat sees a minimum of 25°C (77°F) in January and a maximum of 30°C (86°F) in October, while Nema shares a minimum of 25°C (78°F) in January and a maximum of 30°C (86°F) in October. For more detailed information on monthly temperatures, you can visit monthly temperatures in Ettal, monthly temperatures in Polowat, and monthly temperatures in Nema.

Precipitation Patterns in Chuuk

Chuuk, Micronesia, experiences significant seasonal variability in precipitation, with a pronounced wet season contributing to its lush tropical rainforest climate. Monthly rainfall ranges from 170 mm (6.7 in) in February to a peak of 340 mm (13.4 in) in May. The wettest months are typically March and May, with precipitation levels of 279 mm (11.0 in) and 340 mm (13.4 in) respectively. This abundant rainfall sustains the region's rich biodiversity and supports agricultural practices, shaping the landscape and livelihoods of the local population.

Rainfall frequency also plays a key role in Chuuk's climate, with precipitation occurring on a substantial number of days throughout the year. The months of June and July are particularly notable, featuring 27 to 28 days of rain, which coincides with peak rainfall amounts. In contrast, February sees the least amount of precipitation with only 19 days of rain. Overall, Chuuk's precipitation patterns create a humid environment that fosters diverse ecosystems and influences the cultural practices of its inhabitants.

Monthly Average Precipitation in Chuuk, Micronesia

The average monthly precipitation in Chuuk, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec244170279245340310319259278263271337
Data source: Chuuk precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Chuuk

In Chuuk, Micronesia, sunshine duration reflects a clear seasonal pattern that correlates strongly with the tropical climate. Starting with 222 hours in January, there is a marked increase in sunlight hours as the months progress, peaking in July and August with 290 hours each. This upward trend continues through the spring, with March recording 287 hours and April following closely with 284 hours. These warmer months are characterized by prolonged daylight, creating ideal conditions for outdoor activities and emphasizing Chuuk's vibrant natural beauty.

As the year transitions into the latter months, sunshine hours gradually decrease, though they remain relatively robust compared to winter totals. From September onwards, Chuuk still enjoys a healthy average, maintaining around 273 hours in September and dropping to 264 hours by December. This decline, while notable, does not overshadow the impressive sunlight seen earlier in the year. The consistent availability of sunshine contributes significantly to the region's agriculture and tourism, highlighting the important role of solar resources in Chuuk's ecosystem and economy.

Monthly Sunshine in Chuuk, Micronesia

Monthly sunshine duration represents the total hours of direct sunlight Chuuk receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec222h262h287h284h278h282h290h290h273h281h264h264h
Data source: Chuuk sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Chuuk UV Index Trends

In Chuuk, Micronesia, the UV Index remains strikingly high throughout the year, indicating a prevalent risk of extreme sun exposure. January kicks off with a UV Index of 14, escalating to a peak of 17 in April. This consistent elevation in UV radiation necessitates extreme caution for outdoor activities, as the burn time is notably brief—just 10 minutes across all months. Such levels of UV exposure highlight the importance of protective measures, such as sunscreen and clothing, to mitigate potential health risks associated with prolonged sun contact.

As the year progresses into the latter months, the UV Index gradually decreases but remains within the extreme range. By November, it dips to 13, and further down to 12 in December. Despite this reduction, the UV Index in Chuuk emphasizes a year-long necessity for sun safety awareness. The long duration of extreme UV exposure not only poses challenges for residents and visitors alike but also invites a greater emphasis on public health initiatives aimed at educating the community about the risks of high UV levels and the importance of sun protection year-round.

Monthly Maximum UV Index for Chuuk, Micronesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Chuuk. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141516171514141414141312
Data source: Chuuk UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Daylight Hours in Chuuk

In Chuuk, Micronesia, daylight duration exhibits minimal fluctuation throughout the year, reflecting its tropical climate. During the first two months of the year, January and February, daylight lasts for 11 hours, providing a consistent amount of light. As spring approaches, daylight increases slightly to 12 hours from March through September, contributing to the region's vibrant outdoor environment and agricultural productivity during these months. This period of extended daylight fosters a lively atmosphere for both residents and visitors.

As the year draws to a close, daylight duration returns to 11 hours in October, November, and December. This trend creates a balanced yearly cycle, with a stable light condition that supports Chuuk's unique ecosystems while allowing for a variety of daily activities. The relatively constant daylight duration alleviates the extreme variations often observed in other regions, making Chuuk a captivating destination for those seeking to explore its lush landscapes and rich cultural heritage.

Average Monthly Daylight Hours in Chuuk, Micronesia

This chart shows the total daylight hours Chuuk receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec704h712h723h735h745h749h747h739h727h716h707h702h
Data source: Chuuk daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Chuuk's Popular Destinations

Ettal, Micronesia experiences a tropical climate with warm temperatures averaging around 27°C (81°F) year-round. Temperature highs consistently reach 29°C (85°F), with minimal fluctuations between seasons. The region is also marked by significant rainfall, particularly in May, which averages 429 mm (16.9 in), contributing to an overall wet climate. Sunshine hours are abundant, peaking in August with 293 hours. For more detailed information, visit Ettal climate.

Fananu, Micronesia experiences a warm tropical climate, with average temperatures consistently around 27°C (82°F) throughout the year. The region sees its highest rainfall in the summer months, particularly in July and May, with precipitation amounts ranging from 124 mm (4.9 in) in February to 286 mm (11.3 in) in July. Sunshine is abundant, peaking in March with 298 hours, while the rest of the months average between 227 to 298 hours of sunlight. Overall, Fananu offers a humid yet vibrant environment ideal for tropical vegetation and marine life. For more detailed information, visit Fananu climate.

Houk, Micronesia, experiences a tropical climate characterized by consistently warm temperatures and significant rainfall throughout the year. Monthly average temperatures hover around 27°C to 28°C (81°F to 82°F), with minimal variation between the highs and lows. Precipitation peaks in May and December, with over 387 mm (15.2 in) and 399 mm (15.7 in), respectively, while sunshine hours are relatively high, reaching up to 287 hours in August. For more detailed information on the weather patterns, visit Houk climate.

Kuttu, Micronesia enjoys a tropical climate characterized by warm temperatures year-round, with average monthly temperatures ranging from 27°C (81°F) to 28°C (82°F). The region experiences significant rainfall, particularly in May (429 mm) and March (370 mm), while months like February (229 mm) can be relatively drier. Sunshine is abundant, especially in summer months like August, which sees up to 293 hours of sunlight. This combination of warmth and humidity contributes to Kuttu's lush environment. For more details, visit Kuttu climate.

Kuttu Village in Micronesia experiences a warm tropical climate with consistent temperatures averaging around 27-28°C (81-82°F) throughout the year. The region sees significant rainfall, particularly from May to July, where monthly precipitation can reach upwards of 429 mm (16.9 in). Sunshine is abundant, with July and August offering the highest average at approximately 285-293 hours. Overall, Kuttu Village showcases a typical tropical pattern with warmth, humidity, and substantial rainfall, making it a unique environment. For more details, visit Kuttu Village climate.

Losap, Micronesia experiences a tropical climate characterized by warm temperatures and substantial rainfall throughout the year. Average monthly temperatures range from 25°C (78°F) to 28°C (82°F), with maximums reaching up to 30°C (86°F) in October. Rainfall is significant, peaking at 359 mm (14.1 in) in both May and July, while January and March see the most precipitation overall. The island enjoys a good amount of sunshine, with July and August offering the most hours at 292. For more details, refer to the Losap climate.

Lukunor, Micronesia experiences a tropical climate characterized by consistently warm temperatures and significant rainfall throughout the year. Average temperatures range from 27°C (81°F) to 28°C (82°F), with maximums peaking at 30°C (86°F) in September and October. Monthly precipitation is highest from May to July, with May averaging 438 mm (17.2 in) of rain. Sunshine is plentiful, peaking in August with 293 hours, which offers a mix of bright days amidst the wet season. For more detailed information, visit Lukunor climate.

Lukunor Village, Micronesia experiences a tropical climate characterized by warm temperatures throughout the year, with average highs around 28°C (82°F) and minimal fluctuations in daily temperatures. Monthly precipitation is significant, peaking in May at 438 mm (17.2 in) and generally ranging from 234 mm (9.2 in) to 438 mm (17.2 in). Sunshine hours vary slightly, with the most sunlight occurring in August at 293 hours. The wettest months are typically from May to July, highlighting the village's rainy season. For more details, visit Lukunor Village climate.

Makur, Micronesia experiences a warm tropical climate with temperatures consistently ranging from 25°C (77°F) to 30°C (85°F) throughout the year. The wettest months are June through August, with rainfall peaking at 271 mm (10.7 in) in August. Sunshine is plentiful, particularly from March to May, when the island enjoys over 300 hours of sunlight each month. Despite the high precipitation during summer, the overall warm climate makes Makur a unique and inviting destination. For more details, visit Makur climate.

The climate in Moch, Micronesia, is characterized by consistently warm temperatures year-round, with average highs around 27°C (81°F) to 30°C (86°F) and lows rarely dropping below 25°C (78°F). The region experiences its highest rainfall in May, with about 429 mm (16.9 in), while drier months include February and August with 229 mm (9.0 in) and 238 mm (9.4 in), respectively. Sunshine is abundant throughout the year, peaking in August with 293 hours. For more detailed climate information, visit Moch climate.

Moch Village, Micronesia, experiences a tropical climate with consistently warm temperatures throughout the year, averaging around 27°C (81°F). Monthly highs typically reach 29-30°C (85-86°F), while lows remain steady at 25°C (78°F). Rainfall is significant, particularly from May to July, with May being the wettest month at 429 mm (16.9 in). Sunshine hours are plentiful, peaking in August with 293 hours, making it a bright and lush destination. For more details, check out the Moch Village climate.

Murilo, Micronesia, experiences a tropical climate characterized by consistently warm temperatures throughout the year, with average highs around 27-28°C (81-82°F) and lows ranging from 25-26°C (77-79°F). Precipitation is significant, peaking in June and July with over 260 mm (10.3 in), while drier months include February and April. Sunshine is abundant, with March enjoying the most hours at 302. This blend of warmth, rainfall, and sunshine shapes the lush environment of Murilo. For more details, visit Murilo climate.

Namoluk, Micronesia, experiences a tropical climate characterized by consistently warm temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (85°F) throughout the year. Precipitation is significant, peaking in May with 430 mm (16.9 in) and remaining above 200 mm (7.9 in) during most months. Sunshine hours vary, with the sun shining the most in August, offering 291 hours. The climate is humid and supports lush greenery, making it a beautiful yet challenging environment for its residents. For more information, visit Namoluk climate.

Nema, Micronesia experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average temperatures range from 27°C (81°F) to 28°C (82°F), with maximums typically capping at 30°C (86°F) in October. The region receives substantial rainfall, peaking in May with 363 mm (14.3 in) and averaging around 266 mm (10.5 in) in January. Despite the heavy precipitation, the sun shines brightly, particularly in March and July, with up to 288 hours of sunshine. For more detailed information, visit Nema climate.

Nomwin, Micronesia enjoys a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average temperatures range from 27°C (82°F) to 28°C (82°F), with maximum temperatures peaking at 30°C (86°F) in the warmer months of August and October. Precipitation is highest during the summer months, notably July, with about 296 mm (11.6 in) of rainfall, while January receives approximately 177 mm (7.0 in). Sunshine hours vary slightly, peaking in March and July with around 297 hours. For detailed climate information, visit Nomwin climate.

Nomwin Village, Micronesia, experiences a warm tropical climate with temperatures consistently ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F) throughout the year. The region receives substantial rainfall, peaking in July with about 296 mm (11.6 in) and maintaining high precipitation levels across most months. Sunshine is plentiful, particularly from March to July, when residents enjoy nearly 297 hours of sunlight. For more detailed information, visit Nomwin Village climate.

The climate in Oneop, Micronesia, is characterized by warm temperatures year-round, with average monthly highs consistently around 28-30°C (82-86°F) and lows hovering between 25-26°C (77-79°F). Rainfall is abundant, with the wettest months typically in May and March, receiving over 400 mm (15.7 in) of precipitation. Sunshine is plentiful, especially in August with around 293 hours, providing a balance against the high rainfall. Despite the rainy periods, Oneop enjoys a tropical climate conducive to lush greenery and vibrant ecosystems. For more detailed information, visit Oneop climate.

The climate in Oneop Village, Micronesia, is characterized by warm temperatures year-round, with average highs consistently around 27-30°C (81-86°F) and minimal fluctuations between months. Rainfall is significant, peaking in May with 438 mm (17.2 in) and showing a slightly drier pattern from August to October. The village enjoys substantial sunshine, especially in the summer months, with July and August recording around 285 and 293 hours of sun, respectively. This combination of warmth, humidity, and precipitation makes Oneop Village a lush and vibrant environment throughout the year. For more details, visit Oneop Village climate.

Onou, Micronesia experiences a tropical climate characterized by warm temperatures year-round. Monthly averages hover around 27-28°C (81-82°F), with highs peaking at 30°C (85°F) in October. Rainfall varies significantly, with the wettest months being June and July, receiving over 260 mm (10.2 in) of precipitation. Despite the rain, Onou enjoys considerable sunshine, especially in March and April, which boast over 299 hours of sun. For more information, visit Onou climate.

Onoun, Micronesia experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Monthly average temperatures range from 27°C (81°F) to 28°C (82°F), with maximums typically reaching 29°C (85°F) in most months. Precipitation is highest from June to August, with June recording up to 274 mm (10.8 in) of rain. Sunshine hours peak in March with 298 hours, providing ample bright days despite the rainfall. For more details on the climate, visit Onoun climate.

The climate in Piis, Micronesia, is characterized by warm temperatures year-round, with averages ranging from 27°C (81°F) to 28°C (82°F). Monthly maximum temperatures typically reach 29°C (85°F) or 30°C (86°F), while minimum temperatures usually hover around 25°C (78°F). Precipitation is significant, peaking in May with 376 mm (14.8 in) and remaining relatively high throughout the year. Sunshine hours are fairly consistent, with March and August offering the most, at 287 and 293 hours, respectively. For more detailed information, visit Piis climate.

Pisaras, Micronesia experiences a tropical climate characterized by consistently warm temperatures throughout the year, with averages around 27-28°C (81-82°F). The area sees significant rainfall, particularly from June to December, with the wettest months being July (280 mm) and November (286 mm). Sunshine hours vary, peaking in March with 298 hours, while January and December show 229 and 269 hours, respectively. This unique climate supports lush vegetation and local agriculture, making Pisaras a vibrant ecological region. For more detailed weather information, visit Pisaras climate.

Polowat, Micronesia enjoys a tropical climate characterized by consistently warm temperatures throughout the year, with averages around 27°C (81°F) to 28°C (82°F). Precipitation is significant, with the highest rainfall in May (322 mm) and a notable peak in December (347 mm). Sunshine is abundant, particularly from March to July, boasting over 280 hours per month. The combination of warmth, humidity, and rainfall makes Polowat lush and vibrant. For more detailed information, visit Polowat climate.

Pulap, Micronesia experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average monthly temperatures range from 27°C to 28°C (81°F to 82°F), with maximum temperatures peaking at 30°C (86°F) in October. Annual precipitation is highest from June to July, reaching up to 299 mm (11.8 in), while sunnier months like March boast approximately 292 hours of sunshine. This combination of warmth and rain contributes to a lush environment, typical of tropical locales. For more detailed information, visit Pulap climate.

Pulap Village, Micronesia experiences a tropical climate characterized by consistent temperatures ranging from a minimum of 25-26°C (78-79°F), with annual averages around 28°C (82°F) and maximums peaking at 30°C (86°F) in October. Precipitation is significant, especially in June and July, where monthly averages reach up to 299 mm (11.8 in). The region enjoys ample sunshine, with March recording the highest at 292 hours. This combination of warmth, humidity, and rainfall contributes to lush vegetation and a vibrant ecosystem. For more detailed information, visit Pulap Village climate.

Ruo, Micronesia experiences a tropical climate characterized by consistently warm temperatures, ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F) throughout the year. The area sees significant rainfall, peaking in July with 275 mm (10.8 in) and averaging over 200 mm (7.9 in) per month during the wet season. Despite the rainfall, sunshine is abundant, with March recording the highest at 301 hours. The combination of warmth, humidity, and frequent precipitation makes Ruo a lush and vibrant environment. For more details, visit Ruo climate.

The climate in Satowan, Micronesia, is characterized by warm temperatures year-round, with averages ranging from 27°C to 28°C (81°F to 82°F) and maximums around 29°C to 30°C (85°F to 86°F). Precipitation varies significantly, peaking in May with 444 mm (17.5 in) and generally remaining high throughout the year. Sunshine is plentiful, particularly in the summer months, with July and August enjoying over 280 hours of sun. For more information, visit Satowan climate.

Satowan Village, Micronesia, experiences a tropical climate characterized by consistently warm temperatures throughout the year, with monthly averages ranging from 27°C (81°F) to 28°C (82°F). Precipitation varies significantly, peaking in May with 444 mm (17.5 in) and typically falling between 230 mm (9.1 in) and 389 mm (15.3 in) throughout the year. The village enjoys substantial sunshine, particularly in the summer months, with July and August showcasing up to 292 hours of sunlight. For more detailed insights, visit Satowan Village climate.

The climate in Ta, Micronesia, features consistently warm temperatures throughout the year, with average highs around 27-30°C (81-86°F) and lows typically around 25-26°C (78-79°F). This tropical environment experiences significant rainfall, peaking in May with 444 mm (17.5 in) and again in March with 389 mm (15.3 in). Sunshine is abundant, especially from June to August, where the area enjoys up to 292 hours of sun in August. For more details, visit Ta climate.

Tamatam, Micronesia, experiences a tropical climate characterized by warm temperatures throughout the year, with averages ranging from 27°C (81°F) to 28°C (82°F). The region sees significant rainfall, especially from May to July, with monthly totals often exceeding 290 mm (11.4 in). January and March are the wettest months, while February typically has the least precipitation. Despite the rainfall, Tamatam enjoys ample sunshine, peaking in March with 292 hours. For more detailed information, visit Tamatam climate.

The climate in Tonoas Municipal Building, Micronesia, features warm temperatures throughout the year, with averages hovering around 27°C (81°F) to 28°C (82°F) and maximums reaching up to 30°C (86°F) in October. Precipitation is significant, particularly in the summer months, peaking at 349 mm (13.7 in) in July. Sunshine hours vary, with a high of 293 hours in March and July, providing a balance to the rainy periods. Overall, Tonoas experiences a tropical climate characterized by high humidity and considerable rainfall. For more details, visit Tonoas Municipal Building climate.

The climate in Unanu, Micronesia, is consistently warm and humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F) throughout the year. Rainfall is substantial, particularly from June to August, when monthly precipitation can exceed 266 mm (10.5 in). The area enjoys a good amount of sunshine, especially from March to May, with over 296 hours per month. Overall, Unanu experiences a tropical climate with high humidity and significant rainfall, making it lush and vibrant. For more details, visit Unanu climate.

Weno, Micronesia experiences a tropical climate characterized by warm temperatures and seasonal rainfall. Throughout the year, temperatures typically range between 25°C (77°F) and 30°C (86°F), with an average of around 27°C (81°F). The wettest months occur from May to July, receiving over 300 mm of precipitation, while January and March also see significant rainfall. Sunshine hours are relatively high, particularly in March, with 293 hours recorded. Overall, Weno's climate supports lush vegetation and vibrant wildlife, making it a unique ecological area. For more details, visit Weno climate.

Conclusion

In conclusion, the climate dynamics of Chuuk, Micronesia, reveal a captivating interplay of temperature, precipitation, sunshine duration, UV Index, and daylight hours. With consistently warm temperatures and a significant amount of rainfall throughout much of the year, Chuuk's environment fosters rich biodiversity and a vibrant cultural landscape. The high UV Index and extended daylight hours necessitate a proactive approach to sun safety and outdoor planning, allowing both residents and visitors to fully enjoy the natural beauty of this tropical paradise. Overall, understanding these climatic elements not only highlights the unique characteristics of Chuuk but also emphasizes the importance of sustainability and preservation in navigating the challenges posed by its environmental conditions.

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