Climate of Palau

Last updated: April 14, 2025

Palau's climate is characterized by a tropical ambiance, with temperatures typically ranging from a comfortable minimum of 25°C (76°F) in February in Peleliu to a warm maximum of 30°C (86°F) in October in Sonsorol. Monthly precipitation varies markedly, peaking at 394 mm (15.5 in) in May in Peleliu and dipping to a low of 141 mm (5.6 in) in February in Hatohobei. Humidity levels range from an average minimum of 73% in June in Hatohobei to an average maximum of 82% in February in Ngchesar, creating a lush environment ideal for diverse ecosystems and vibrant marine life.

Palau Climate Zones

Palau boasts a tropical rainforest climate, classified as Af under the Köppen-Geiger climate system. This category is consistent across all its states, including Aimeliik, Airai, Angaur, and beyond, creating a lush and vibrant environment. The region experiences high humidity and significant rainfall throughout the year, fostering a rich biodiversity that attracts nature lovers and adventurers alike. From the serene landscapes of Koror to the remote beauty of Sonsorol, Palau’s climate supports both lush vegetation and a variety of wildlife, making it a true paradise for eco-tourism.

Köppen-Geiger Climate Classification of Palau
Climate ZoneDescription
AfTropical rainforest climate with no dry season and high temperatures year-round.

Palau Temperature by Month

Palau's climate is marked by consistently warm temperatures throughout the year, with monthly averages showcasing minimal variation. Each month, the minimum temperature hovers around a balmy 25°C (77°F), while maximums typically reach between 29°C (85°F) and 30°C (86°F). Notably, the warmest months, May to October, see peak highs of 30°C, particularly in regions like Sonsorol and Kayangel. Interestingly, even in the cooler months of January and February, temperatures remain pleasantly warm, with highs steady at 29°C. With such mild conditions year-round, Palau is an inviting destination for sun-seekers seeking to escape the chill of winter.

Monthly Temperatures in Palau

The chart illustrates Palau'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.
JanFebMarAprMayJunJulAugSepOctNovDec818181818281818182828282
Data source: Palau temperature data aggregated from multiple country 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.

Precipitation Patterns in Palau

Palau experiences a diverse range of precipitation patterns throughout the year, with notable variations in both rainfall amount and frequency. February marks the driest month in Hatohobei, receiving a minimum of 141 mm (5.6 in) of rain, while May brings the heaviest deluge in Peleliu, where 394 mm (15.5 in) falls, highlighting the dramatic shifts in seasonal rainfall. Additionally, March in Kayangel enjoys the fewest rainy days, with just 19 days of precipitation, but this number swells to 29 days in July, indicating a shift to a wetter climate during the mid-year. These trends illustrate the intricacies of Palau's tropical climate, where both the volume and distribution of rain play critical roles in shaping the islands' lush ecosystems.

Precipitation Trends in Palau

The chart illustrates Palau's yearly temperature patterns, showing data aggregated from various locations across the region, highlighting seasonal variations and monthly temperature changes.
JanFebMarAprMayJunJulAugSepOctNovDec235312181209390295362297286282265298
Data source: Palau precipitation data aggregated from multiple country locations, generated using Copernicus Climate Change Service information.
Choose your preferred precipitation unit

Palau Humidity

In Palau, humidity levels exhibit a notable fluctuation throughout the year, with minimums and maximums that reflect the tropical climate's characteristics. The lowest humidity, recorded at 73% in June in Hatohobei, indicates a drier period during the warmer months. Conversely, the peak humidity reaches 82% in February in Ngchesar, showcasing the heightened moisture typical of the rainy season. This pattern suggests a clear trend: as the year progresses from mid-year to early-year, residents and visitors can expect increasing humidity that adds to the lush environment of this beautiful archipelago.

Average Humidity in Palau

Palau's Average Monthly Humidity Levels: This chart highlights Palau's humidity fluctuations throughout the year, making it easy to compare seasonal trends. See how humidity varies month by month and understand Palau's climate patterns.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%82%80%78%77%77%78%79%77%77%78%
Data source: Humidity data for Palau generated using information from the Copernicus Climate Change Service.

Palau UV Index Trends

In April, Palau experiences exceptionally high ultraviolet (UV) radiation levels, with an average daily maximum UV Index (UVI) of 16 in Koror and an even higher 17 in Kayangel. These figures signify a notable trend in the region’s UV exposure, reflecting both geographical variability and intensified sun intensity during this period. As both locations show a heightened risk of skin damage from UV radiation, it is crucial for residents and visitors alike to take proactive measures to protect themselves from the sun’s harmful effects. The consistent high readings underscore the importance of sun safety awareness in Palau, especially during peak sunlight hours.

Maximum UV Index Levels in Palau

The chart shows the monthly maximum UV Index (UVI) in Palau, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec131416171513141515141312
Data source: Palau 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.

Sunshine Duration in Palau

Sunshine duration in Palau reveals intriguing trends, showcasing a delightful increase in hours as the year progresses. In January, Koror enjoys 225 hours of sun, slightly overshadowed by Hatohobei's 234 hours. However, as the seasons change, sunshine peaks magnificently in May with 296 hours in Koror, followed by an impressive 306 hours in August in Hatohobei. This gradual rise in sunshine not only highlights the allure of Palau's tropical climate but also allows for vibrant outdoor activities during the sunnier months.

Monthly Sunshine Duration in Palau

The Palau sunshine duration chart shows the total hours of direct sunlight in Palau each month, excluding cloudy or obstructed periods, and compares the sunshine duration across different months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec227h260h296h292h300h279h280h288h279h278h272h269h
Data source: Palau sunshine duration data aggregated from multiple country locations, generated using Copernicus Climate Change Service information.

Chance of Sun in Palau

When exploring the likelihood of sunny weather in Palau, a noticeable trend emerges from the data for Kayangel. April enjoys a relatively high chance of sunshine, with 38% of the days likely to be clear. However, this figure sharply drops to a mere 10% in July, indicating a significant shift towards cloudier and possibly rainier conditions as the year progresses. This contrast highlights the need for visitors to plan their trips thoughtfully, particularly if they are seeking sun-drenched days in this tropical paradise.

Percentage of Sunny Days in Palau

The chart illustrates the percentage of sunny days in Palau throughout the year. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Palau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%22%26%36%13%26%11%25%15%18%27%18%
Data source: Palau chance of sun data, generated using information from the Copernicus Climate Change Service.

Average Daylight Hours Across the Palau

In Palau, particularly in Kayangel, the daylight hours exhibit a distinct seasonal pattern. During December, residents and visitors can expect approximately 11 hours of daylight, providing a cozy, sunlit backdrop for holiday festivities and outdoor adventures. As the year progresses into June, the daylight increases to around 12 hours, allowing for longer days filled with exploration and relaxation. This gentle shift highlights the balance of nature in Palau, where a slight increase in daylight enhances the beauty and vibrancy of the island throughout the year.

Average Monthly Daylight Hours in Palau

This chart shows the total daylight hours Palau receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 43m11h 52m12h 4m12h 16m12h 26m12h 32m12h 29m12h 20m12h 8m11h 56m11h 46m11h 41m
Data source: Palau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

Climate Breakdown by Palau Region

Nestled in the heart of Palau, Aimeliik enjoys a tropical climate characterized by consistently warm temperatures throughout the year. With average temperatures hovering around 27°C (81°F) and maxima reaching 30°C (86°F) in the hotter months, it's a paradise for sun-seekers. Precipitation varies significantly, peaking in May with a striking 390 mm (15.4 in), making it one of the wettest months, while humidity levels remain relatively high, averaging around 78%. Whether you're exploring the lush landscapes or relaxing on pristine beaches, the climate in Aimeliik sets the perfect backdrop for an unforgettable getaway. For more details, visit Aimeliik climate.

In Airai, Palau, the climate is characterized by warm temperatures and high humidity throughout the year. With average temperatures hovering around 27°C (81°F), residents and visitors experience a tropical paradise where the highs rarely exceed 30°C (86°F). Rainfall is a significant feature, especially from May to July, with precipitation peaking at 389 mm (15.3 in) in May. Despite the wet season, humidity remains fairly consistent, ranging from 77% to 82%, adding to the lush, vibrant landscape that Palau is known for. For a deeper dive into the weather patterns, explore more about the Airai climate.

Angaur, Palau, boasts a tropical climate characterized by warm temperatures year-round, with daily highs consistently reaching around 29°C (85°F). From January through December, the average temperature hovers between 27°C (81°F) and 28°C (82°F), providing an inviting atmosphere for visitors. However, expect frequent rainfall, especially in May with 394 mm (15.5 in) of precipitation, making it the wettest month. Humidity remains high, averaging around 80%, contributing to the lush landscapes that define the island. Discover more about the enchanting weather by visiting Angaur climate.

Nestled within Palau, Hatohobei enjoys a tropical climate that remains consistent year-round. With temperatures typically ranging from a comfortable 25°C (78°F) to 30°C (86°F), the weather is perfect for outdoor exploration. However, be prepared for significant rainfall, especially from May to July, where precipitation can peak at over 300 mm. Despite the humidity levels hovering around 75-78%, the warm breezes and lush landscapes create an inviting atmosphere for visitors. For more detailed insights, visit Hatohobei climate.

The climate in Kayangel, Palau, is characterized by warm temperatures year-round, typically ranging from a cozy 25°C (77°F) to a balmy 30°C (86°F). Humidity hovers around 77-82%, creating a tropical feel that complements the island's paradise-like environment. While precipitation peaks in the summer months, especially in July with 353 mm (13.9 in) of rain, the lush landscapes thrive due to these showers. Visitors can expect a delightful blend of sunny days and refreshing rains, making Kayangel an ideal escape year-round. To explore more about this vibrant climate, visit Kayangel climate.

Koror, Palau, boasts a tropical climate defined by warm temperatures and significant rainfall throughout the year. Average temperatures linger around a comfortable 27°C (81°F), with highs typically reaching 29°C (84-86°F) and lows hovering around 25°C (78°F). While humidity remains relatively high, varying from 77% to 82%, the island experiences its wettest months from February to May, dumping impressive amounts of precipitation, especially in May with 389 mm (15.3 in). Despite the rain, Koror’s lush landscapes and vibrant ecosystems thrive, making it a captivating destination year-round. For more details, check the Koror climate.

Located in the heart of the Pacific, Melekeok, Palau offers a consistently warm tropical climate that will delight visitors year-round. With average temperatures hovering around 27°C (81°F), daily highs typically peak at a comfortable 29°C (84°F) to 30°C (86°F), while nighttime brings refreshing lows of 25°C (78°F). Although the humidity remains high, peaking at around 82%, the lush landscapes thrive, thanks to varying precipitation that can reach up to 374 mm (14.7 in) in May. This bountiful moisture creates a vibrant environment, making Melekeok an ideal destination for those who appreciate the beauty of a tropical paradise. For more detailed weather insights, explore Melekeok climate.

Ngaraard, Palau, enjoys a warm and tropical climate year-round, with average temperatures hovering around 27°C (81°F) and maximums reaching up to 30°C (86°F) during the hotter months. Despite the warmth, the islands experience significant rainfall, particularly from May to July, when precipitation can exceed 354 mm (13.9 in). The humidity remains consistently high, averaging about 81%, creating a lush, verdant environment. Visitors can expect lush landscapes and the vibrant flora that thrive in this humid tropical paradise, making it an alluring destination for nature lovers. For more detailed information, check the Ngaraard climate.

Nestled in the stunning landscape of Palau, Ngarchelong boasts a tropical climate characterized by warm temperatures and ample rainfall throughout the year. With average temperatures hovering between 27°C (81°F) and 28°C (82°F), visitors can expect a pleasant, balmy atmosphere. However, the islands experience some of their highest precipitation during the summer months of May and July, with rainfall reaching up to 356 mm (14.0 in) in July. Humidity levels remain consistently high, averaging around 78% to 82%, creating a lush environment rich in biodiversity. For a deeper dive into what to expect from the weather, check out the full details on Ngarchelong climate.

Nestled in the heart of Palau, Ngardmau boasts a tropical climate characterized by consistently warm temperatures, hovering between 25°C (78°F) and 30°C (86°F) throughout the year. The months of May and July often see the most rainfall, with precipitation peaking at 390 mm (15.4 in) in May, creating a lush, vibrant landscape. Humidity remains relatively high, averaging around 78%, providing a sultry atmosphere well-suited for exploring the island's stunning natural beauty. For those intrigued by its unique climate patterns, you can find more detailed information here: Ngardmau climate.

Ngaremlengui, Palau, boasts a tropical climate characterized by warm temperatures year-round, averaging around 27°C (81°F) and rarely exceeding 30°C (86°F). Visitors can expect a humid atmosphere, with humidity levels lingering around 77-82%, creating a lush environment. Rainfall is abundant, particularly from May to July, with monthly averages soaring above 300 mm (11.8 in) during this peak season. Despite the heavy precipitation, the consistent warmth and vibrant greenery make Ngaremlengui a captivating destination for nature lovers. Discover more about the region's weather and prepare for your journey by visiting Ngaremlengui climate.

Nestled in the lush landscapes of Palau, Ngatpang experiences a delightfully warm tropical climate year-round. Average temperatures hover around 27°C (81°F), with daytime highs typically peaking at 29°C (84°F). You can expect frequent rain showers, especially from May through July, when monthly precipitation often exceeds 300 mm (11.8 in), creating a vibrant, green environment. Humidity remains relatively high, averaging around 80%, enhancing the tropical feel while making the air pleasantly fresh. For a more detailed breakdown, explore the Ngatpang climate page.

Ngchesar, Palau, boasts a tropical climate with consistently warm temperatures that hover between 25°C (78°F) and 30°C (86°F) year-round. Each month offers a delightful average temperature of around 27-28°C (81-82°F), making it an ideal destination for sun seekers. However, this paradise does experience its share of rainfall, particularly in May and February, when precipitation can reach 390 mm (15.4 in) and 311 mm (12.3 in) respectively. Humidity levels remain high, peaking at 82% in February, creating a lush, vibrant landscape throughout the year. For more insights, check out the detailed Ngchesar climate.

Nestled in the heart of the Pacific, Ngiwal, Palau boasts a tropical climate characterized by warm temperatures year-round. From January to December, temperatures hover between 25°C (78°F) and 30°C (86°F), ensuring a pleasant escape for sun-seekers. However, with an annual average humidity of around 78% and substantial rainfall, particularly in May and July, visitors should be prepared for occasional downpours that nourish the lush surroundings. Exploring this stunning island paradise is best done with an umbrella in hand and a spirit ready for adventure. Discover more about this vibrant climate at Ngiwal climate.

Nestled in the vibrant tropical paradise of Palau, Peleliu enjoys a delightful climate characterized by warm temperatures year-round. With average highs consistently around 27-30°C (81-86°F), and lows rarely dipping below 25°C (78°F), it offers a balmy escape that is perfect for beach lovers. However, visitors should be prepared for significant rainfall, particularly in May when precipitation peaks at 394 mm (15.5 in), as well as throughout the summer months. The humidity hovers around 77-82%, contributing to the lush landscapes and vibrant marine life that make Peleliu a must-visit destination. For more detailed information, check out the Peleliu climate.

Sonsorol, Palau, boasts a tropical climate characterized by warm temperatures year-round, hovering between 25°C (77°F) and 30°C (86°F). As the months progress, the island experiences an uptick in precipitation, particularly during the peak of the wet season in May and July, when rainfall can exceed 300 mm. Humidity levels remain consistently high, averaging around 77%, contributing to that lush, vibrant atmosphere the region is known for. While January and March see the highest rainfall, the subtropical warmth invites visitors to explore the beautiful scenery year-round. Discover more about the island's weather intricacies at Sonsorol climate.

Summary and Key Takeaways on the Climate of the Palau

Palau's climate is characterized by warm temperatures and significant humidity throughout the year, creating a lush tropical environment. With minimum temperatures consistently around 25°C (76°F) in February in Peleliu and maximum highs reaching 30°C (86°F) in October in Sonsorol, the islands experience a stable warmth that's ideal for outdoor exploration. Rainfall varies notably by season, with February being the driest month at around 141 mm (5.6 in) in Hatohobei, while May sees a substantial spike in precipitation, peaking at 394 mm (15.5 in) in Peleliu. Additionally, humidity levels are notable, averaging a minimum of 73% in June in Hatohobei and peaking at 82% in February in Ngchesar. These climatic conditions foster an environment rich in biodiversity, making Palau a unique destination for nature lovers and adventurers alike.