Leeward Islands Climate

Last updated: January 18, 2025

The climate of the Leeward Islands in French Polynesia is characterized by a tropical rainforest climate, as classified by the Köppen-Geiger system (Af). Throughout the year, the islands experience mild temperatures, with a minimum of 23°C (73°F) recorded in September, an average of 26°C (79°F), and a peak of 29°C (85°F) during the warmest month of April. This consistently warm climate contributes to the lush vegetation and vibrant ecosystems that define the region, making it a unique destination for both tourists and researchers alike.

Leeward Islands temperature by month

Temperature patterns in the Leeward Islands, French Polynesia, reveal a stable tropical climate throughout the year, with minor fluctuations. From January to April, the islands maintain a warm and consistent temperature range, with minimums averaging 23-24°C (73-75°F) and maximums reaching up to 29°C (84-85°F). As the year progresses into May and June, temperatures slightly dip, with average highs around 26-27°C (78-81°F), while the minimum temperatures remain steady. The latter half of the year, particularly from June to October, sees a gradual cooling trend, with averages dropping to about 25-26°C (78-80°F). Despite these seasonal shifts, the climate remains pleasantly warm, making it an idyllic locale year-round.

Monthly Temperatures in Leeward Islands, French Polynesia

The chart illustrates Leeward Islands'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.
JanFebMarAprMayJunJulAugSepOctNovDec808081818079787877787979
Data source: Leeward Islands 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.

In Vaitape, temperatures range from a minimum of 23°C (74°F) in September to a maximum of 29°C (85°F) in April, as detailed in the monthly temperatures in Vaitape. Similarly, Uturoa experiences a minimum of 23°C (73°F) in August and peaks at 29°C (85°F) in March, according to the monthly temperatures in Uturoa. Fare shares a comparable climate, with minimum temperatures also at 23°C (73°F) in September and maximums reaching 29°C (85°F) in April, as noted in the monthly temperatures in Fare.

Precipitation Patterns in Leeward Islands

Precipitation in the Leeward Islands is characterized by a distinct seasonal pattern, with the wettest months falling between January and March. January experiences significant rainfall, totaling 223 mm (8.8 in), while February marks the peak with 302 mm (11.9 in), reflecting the islands' tropical climate and lush environment. As the dry season approaches, April sees a notable decrease in rainfall to 135 mm (5.3 in), gradually tapering off further to just 96 mm (3.8 in) by May, indicating a shift towards drier months.

During the mid-year period from June to August, the precipitation tends to be at its lowest, with July bringing only 84 mm (3.3 in). However, September and October see a slight uptick, with 61 mm (2.4 in) and 132 mm (5.2 in) respectively, as the region transitions back into a wetter climate. The year concludes with a resurgence of rainfall in November (187 mm or 7.4 in) and December (257 mm or 10.1 in), reflecting the overall trend of increased precipitation during the latter part of the year. Notably, February also records the highest number of rainy days at 23, reinforcing the seasonal variability that characterizes these islands.

Monthly Average Precipitation in Leeward Islands, French Polynesia

The average monthly precipitation in Leeward Islands, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22330220013596131846061132187257
Data source: Leeward Islands precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Leeward Islands

The sunshine duration in the Leeward Islands exhibits a clear seasonal trend, marking a transition from shorter days in early winter to a peak of sunlight during the summer months. January starts with 242 hours of sunshine, gradually increasing to 252 hours in February. As the region moves into March, the sun shines brightly for an impressive 296 hours, indicating the onset of longer days and clearer skies. This upward trend continues into April and May, where sunshine hours remain high at 284 and 288 hours respectively, creating an inviting atmosphere for outdoor activities and tourism.

The summer months showcase remarkable sunshine, peaking in October with 317 hours, followed closely by November at 316 hours. September is also noteworthy, capturing 300 hours of sunshine. Such abundant sunlight during this period enhances the islands’ vibrant landscapes and coral reefs, making it an ideal time for visitors. As the year comes to a close, December retains an impressive 301 hours, ensuring that travelers and locals alike continue to enjoy ample sunny days as the cycle of sunlight begins anew. In contrast, the June to August period demonstrates a slight dip in sunshine hours, with June at 271 hours; however, the overall pattern remains consistently sunny, affirming the Leeward Islands as a prime destination for sun-seekers year-round.

Monthly Sunshine in Leeward Islands, French Polynesia

Monthly sunshine duration represents the total hours of direct sunlight Leeward Islands receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec242h252h296h284h288h271h284h293h300h317h316h301h
Data source: Leeward Islands sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Leeward Islands UV Index Trends

The UV Index in the Leeward Islands of French Polynesia reflects the region's strong sun exposure, especially during the first half of the year. From January to April, the UV Index remains in the extreme category, peaking at 16 in January and 15 in February and March, with an urgent burn time of just 10 minutes. Even as it dips to 13 in April, the intensity remains incredibly high, underscoring the importance of sun protection during these months. This extreme UV radiation is indicative of the region's tropical climate, necessitating heightened awareness for both residents and visitors.

As the year progresses into the latter months, the UV Index shows a slight decrease but continues to pose significant risks. From May to August, the index drops to 10 and 8, categorized as very high, allowing for a burn time extension to 15 minutes. However, a resurgence occurs in September, where the index returns to 13, followed by a peak back to 15 in October and November. This trend reinforces the necessity for ongoing sun safety measures throughout the year, as even with lower indices, the risk of skin damage remains substantial, particularly during the peak UV season from June through December.

Monthly Maximum UV Index for Leeward Islands, French Polynesia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Leeward Islands. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec1615151310881013151515
Data source: Leeward Islands 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 Leeward Islands

The daylight duration in the Leeward Islands of French Polynesia showcases a stable pattern typical of tropical regions, with consistent lengths of day throughout much of the year. January through March holds a steady 12 hours of daylight, offering ample time for outdoor activities and exploration. As the islands transition into the cooler months of April through August, daylight slightly declines to 11 hours, reflecting a minor seasonal variation that still allows for enriching experiences in the sun-kissed landscape.

As the year progresses towards its end, daylight duration begins to increase once again, culminating in December, where it reaches a peak of 13 hours. This trend of regaining daylight is particularly inviting for visitors during the holiday season, allowing for longer adventures under the sun before dusk. Overall, the Leeward Islands maintain a warm and welcoming atmosphere year-round, where daylight duration harmonizes with the vibrant natural beauty, making it an appealing destination for sun-seekers and nature enthusiasts alike.

Average Monthly Daylight Hours in Leeward Islands, French Polynesia

This chart shows the total daylight hours Leeward Islands receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec778h756h729h701h678h667h673h693h720h748h772h784h
Data source: Leeward Islands daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Leeward Islands's Popular Destinations

Fare, French Polynesia experiences a tropical climate with warm temperatures year-round. Average temperatures range from 25°C (77°F) in the cooler months to around 27°C (80°F) during the warmer months, with maximum temperatures reaching up to 29°C (84°F). The region sees significant rainfall, particularly from February (298 mm / 11.8 in) to April (140 mm / 5.5 in), while August tends to be drier with just 57 mm (2.3 in). Despite the rain, Fare enjoys a good amount of sunshine, peaking in October with 317 hours. For more details, visit Fare climate.

Uturoa, French Polynesia, experiences a tropical maritime climate characterized by warm temperatures and significant rainfall. Average monthly temperatures range from 25°C (78°F) in August to around 27°C (80°F) during the warmer months of January to March, with maximum temperatures typically around 29°C (84°F). Precipitation peaks in February with 304 mm (12.0 in), while the driest month is August with only 61 mm (2.4 in). Sunshine is abundant, with October enjoying the most hours at 317, contributing to the lush landscapes of the region. For more detailed information, visit Uturoa climate.

Vaitape, French Polynesia, enjoys a warm tropical climate characterized by consistent temperatures throughout the year, averaging around 27°C (81°F) with minimal fluctuations. Rainfall is heaviest from January to February, peaking at 306 mm (12.0 in) in February, while the driest months are August and September, receiving only 64 mm (2.5 in) and 57 mm (2.2 in) respectively. Sunshine is abundant, especially in October, which boasts the highest average of 318 hours. Visitors can expect pleasant weather, making it an enticing locale for tropical getaways. For detailed climate information, check out Vaitape climate.

Conclusion

In conclusion, the Leeward Islands of French Polynesia offer a climate characterized by warm temperatures, abundant sunshine, and significant UV exposure throughout the year. With a stable rainfall pattern that peaks during the early months and a consistent daylight duration, the islands create an inviting environment for both relaxation and exploration. The seasonal variations in climate, sunlight, and UV Index emphasize the importance of sun protection and awareness while enjoying the rich natural beauty of this tropical paradise. Overall, the Leeward Islands present a captivating destination where visitors can experience a harmonious balance of climate, light, and vibrant ecosystems all year long.

Discover the Climate of Leeward Islands's Places

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