Kili Island Climate

Last updated: January 18, 2025

Kili Island, part of the Marshall Islands, showcases a tropical rainforest climate classified under the Köppen-Geiger system as Af. Characterized by warm temperatures year-round, the island experiences a minimum of 25°C (77°F) in February and reaches an average of 27°C (81°F). The peak temperature occurs in October, with a maximum of 30°C (86°F). This consistent warmth, coupled with high humidity, creates a lush environment that defines the island's rich biodiversity and vibrant ecosystems.

Kili Island temperature by month

Kili Island experiences remarkably consistent temperature patterns throughout the year, characterized by minimal variation. Monthly minimum temperatures remain steady at 25°C (77°F), while the average temperature hovers around 27°C (81°F). Maximum temperatures typically peak at 29°C (85°F), with a slight increase to 30°C (86°F) during the late summer months of August and September. October marks the transition into increased warmth with an average of 28°C (82°F), before returning to the stable conditions seen in the final months of the year. This overall climate provides a warm and inviting atmosphere, typical of the tropical rainforest classification that defines the island.

Monthly Temperatures in Kili Island, Marshall Islands

The chart illustrates Kili Island'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.
JanFebMarAprMayJunJulAugSepOctNovDec818181818181818181828181
Data source: Kili Island temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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The average of daily temperatures (24 hours) calculated across all days in the month.

Kili experiences a tropical climate with a minimum temperature of 25°C (77°F) in February and a maximum of 30°C (86°F) in October, indicating a warm weather pattern throughout the year. For more detailed insights into the monthly temperatures in Kili, you can visit monthly temperatures in Kili.

Precipitation Patterns in Kili Island

Kili Island’s precipitation patterns reveal a distinct seasonal rhythm, with rainfall varying significantly across the months. The wettest months are from May to April, where rainfall peaks, with May receiving a substantial 470 mm (18.5 in) over 29 days. This is closely followed by March and April, each registering 354 mm (13.9 in). Conversely, the driest months, January and February, see considerably lower levels of precipitation at 228 mm (9.0 in) and 214 mm (8.4 in), respectively, emphasizing a marked wet-dry cycle.

In addition to the total rainfall, the number of rainy days each month further illustrates this pattern, contributing to the overall tropical climate of the island. The month of March typically experiences the highest frequency of rain, with 27 days of measurable precipitation, making it the peak of the wet season. Conversely, October and September are relatively drier, with 24 days and 25 days of rainfall, respectively. This combination of abundant rain and dispersed rainy days fosters a lush environment, integral to the biodiversity and ecological health of Kili Island.

Monthly Average Precipitation in Kili Island, Marshall Islands

The average monthly precipitation in Kili Island, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec228214354354470374324273300232313393
Data source: Kili Island precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Kili Island

Kili Island experiences a noticeable increase in sunshine duration as the year progresses, with sunshine hours peaking during the summer months. Starting from 222 hours in January, there is a gradual ascent, reaching a high of 293 hours in August. This trend indicates a shift towards sunnier weather, where the island enjoys longer daylight hours and more favorable conditions for outdoor activities. Notably, July and August emerge as the sunniest months of the year, providing ample opportunities for sun enthusiasts to bask in the tropical rays.

As autumn approaches, the sunshine hours begin to decline, yet they remain relatively high compared to the winter months. October retains a substantial 288 hours of sunshine, while the beginning of the winter season in November sees a drop to 256 hours. Despite this decrease, December still offers a commendable 264 hours of sunshine, demonstrating that even in the midst of the wet season, bright days can be interspersed with rain. This seasonal pattern not only enhances the island’s vibrant ecosystem but also highlights the appeal of Kili Island as a warm destination throughout the year.

Monthly Sunshine in Kili Island, Marshall Islands

Monthly sunshine duration represents the total hours of direct sunlight Kili Island receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec222h255h277h265h263h272h281h293h279h288h256h264h
Data source: Kili Island sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Kili Island UV Index Trends

Kili Island faces consistently high UV Index levels throughout the year, indicative of its tropical climate and proximity to the equator. The UV Index peaks in March and April at 16, categorized as extreme, which signifies a significant risk of harm from unprotected sun exposure. These months, alongside February, which has a UV Index of 15, underscore the importance of sun safety during this period, as the recommended burn time is merely 10 minutes for individuals without adequate protection. Such levels necessitate precautions, including the use of sunscreen, protective clothing, and seeking shade during peak hours.

Even during the latter months of the year, the UV Index remains elevated, with values at or above 12 until December. In November, it drops slightly to 12, and further to 11 in December, yet still represents a considerable risk for UV-induced skin damage without protection. This sustained high UV exposure emphasizes the year-round necessity for awareness and adaptation to the environmental conditions on Kili Island, making sun safety a critical consideration for both residents and visitors alike.

Monthly Maximum UV Index for Kili Island, Marshall Islands

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Kili Island. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec131516161413141414131211
Data source: Kili Island 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 Kili Island

Kili Island experiences relatively stable daylight duration throughout the year, characterized by minimal fluctuation. The year begins with approximately 11 hours of daylight in January and February, providing a consistent backdrop for the island's tropical lifestyle. As March arrives, daylight extends to 12 hours, continuing this trend into April, May, and throughout the summer months. This consistent availability of sunlight supports both the island's vibrant ecosystems and the daily activities of its inhabitants.

As the year transitions towards the end, daylight hours taper off once again to 11 hours from October through December, echoing the daylight patterns observed at the year's start. This cyclical change signifies Kili Island's equatorial position, leading to relatively uniform daylight hours regardless of the season. Overall, the stable daylight duration enhances the island's climate, fostering an environment conducive to both relaxation and activity throughout the year.

Average Monthly Daylight Hours in Kili Island, Marshall Islands

This chart shows the total daylight hours Kili Island receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec709h715h724h733h741h745h743h736h727h718h711h707h
Data source: Kili Island daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Kili Island's Popular Destinations

Kili, Marshall Islands, enjoys a tropical climate characterized by warm temperatures throughout the year, with average highs around 27-29°C (81-85°F) and minimal variations in lows, generally around 25°C (78°F). The wettest months are May and March, with precipitation peaking at 470 mm (18.5 in) and 354 mm (13.9 in), respectively. Sunshine is abundant, with July typically boasting the most hours at 281, making it a popular time for outdoor activities. For detailed climate insights, visit Kili climate.

Conclusion

In summary, Kili Island exhibits a distinctive and stable climatic profile that greatly influences its environment and lifestyle. With consistently warm temperatures, high precipitation levels during the wet season, and abundant sunshine hours, the island thrives under tropical conditions. The extreme UV Index and steady daylight duration reaffirm the need for sun safety awareness among residents and visitors. Together, these climatic attributes not only define Kili Island's natural beauty but also underscore its appeal as a vibrant destination for those seeking a rich tropical experience year-round.

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