December Weather in Mahina, French Polynesia

Last updated: October 30, 2025

In December, Mahina, French Polynesia, welcomes warm tropical temperatures, with maximums reaching 28°C (82°F) and an average of 26°C (78°F), while nights are comfortably mild at a minimum of 23°C (74°F). This month is marked by a high humidity level of 82%, creating a lush, vibrant environment. However, visitors should be prepared for considerable rainfall, as December sees approximately 271 mm (10.7 in) of precipitation over 26 days, adding to the island’s exotic allure. Embrace the rich colors and sounds of this tropical paradise, where lush landscapes flourish amidst the frequent showers.

December Temperature in Mahina

In Mahina, French Polynesia, December embraces the warmth of summer with delightful temperatures that create an idyllic tropical setting. The month typically sees minimum temperatures around 23°C (74°F), while the average hovers pleasantly at 26°C (78°F), peaking at a maximum of 28°C (82°F). This warmth is consistent with the preceding months, notably January through April, which maintain a similar temperature range, ensuring that visitors can enjoy balmy days and nights. As the year comes to a close, December's climate invites beach lovers and adventurers alike to experience the island's natural beauty, with its inviting warmth promising a perfect escape into paradise.

December Weather in Mahina: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mahina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mahina, December typically has an average temperature of 26°C (78°F), with highs reaching up to 28°C (82°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec787979797977767675767778
Data source: Temperature data for Mahina generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Mahina

In December, Mahina experiences a notable increase in precipitation, with an average of 271 mm (10.7 in) reported over the month. This marks a significant rise from previous months, reflecting the onset of the wet season. Additionally, December is characterized by 26 rainy days, contributing to the lush, vibrant landscapes that the region is known for. Compared to the lower amounts seen in the mid-year months, where rainfall dipped as low as 65 mm (2.6 in) in August, December's totals underscore a seasonal shift that brings both challenges and beauty to this tropical paradise. The consistent rainfall not only nourishes the ecosystem but also enhances the dramatic scenery, making Mahina a captivating destination in the heart of French Polynesia.

December Precipitation Trends in Mahina

The chart displays monthly precipitation patterns in Mahina, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Mahina, December typically receives around 271 mm (10.7 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec2503342131579611513465111162182271
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mahina

In December, Mahina experiences an average humidity of 82%, contributing to the lush, tropical ambiance that characterizes French Polynesia. This month reflects a slight decline from the more humid October, which peaked at 84%. Throughout the year, humidity levels in Mahina hover around the 80% mark, with notable peaks in August and October. As the year wraps up, December's humidity solidifies the trend of consistently high moisture, creating an inviting climate for both residents and visitors to enjoy the vibrant landscapes and rich marine life of the region.

December Average Humidity in Mahina

This chart illustrates the average monthly humidity levels in Mahina, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Mahina is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%81%79%79%80%80%78%83%82%84%82%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mahina

In December, Mahina, French Polynesia, continues to experience a notably high UV Index of 15, categorized as extreme, which means that sun exposure can lead to rapid skin damage—within just 10 minutes. This trend of elevated UV levels extends throughout the year, with the indices consistently peaking in the summer months of January through March, where the index reaches a staggering 16 in January. Even as the year progresses into the cooler months, the UV Index remains high, never dropping below 10. Therefore, if you're planning a visit, it's crucial to protect your skin from the sun's powerful rays. Always remember to review the latest updates on the Mahina UV Index before heading outdoors!

Maximum UV Index Levels in Mahina for December

The chart shows the monthly maximum UV Index (UVI) for Mahina in December, 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. In December, the maximum UV index in Mahina typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1615151310881013151515
Data source: Mahina December UVI data generated using information from the Copernicus Climate Change Service.

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.

December Sunshine in Mahina

In December, Mahina, French Polynesia, basks in a delightful 297 hours of sunshine, rounding off the year with ample daylight. This month stands out with a robust glow, following a steady trend of increasing sunshine as the year progresses. Notably, October and November showcased particularly brilliant stretches, with 312 and 309 hours respectively. The gradual climb in sunshine hours from January through to December highlights Mahina's tropical charm, with March and May also boasting impressive totals of 284 hours. As the year closes, this consistent abundance of sunlight allows visitors and locals alike to soak in the vibrant beauty and warmth of this picturesque locale, setting a bright tone for the year ahead.

Monthly Sunshine Duration in Mahina: December Highlighted

The December sunshine duration represents the total number of hours Mahina experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec243h243h284h271h284h266h274h289h292h312h309h297h
Data source: Mahina December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mahina During December

In Mahina, French Polynesia, the likelihood of sunny weather in December stands at 38%, reflecting the region's tropical climate as the year winds down. While this percentage is slightly higher than the 33% chance in January and the 37% in November, it's part of a broader trend showing an upward trajectory in sunshine from the earlier months. The transition from the cloudier days of February and March, with 26% and 33% likelihoods respectively, evolves into the brighter months of mid-year, where July and August boast impressive chances of 59% and 61%. Although December does not reach those peak levels of sunshine seen in later months, it still offers a promising glimpse of sun-soaked days that are emblematic of Mahina's charm.

Percentage of Sunny Days in December in Mahina

The chart illustrates the percentage of sunny days in Mahina throughout the year, with December highlighted. 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 Mahina experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%26%33%38%39%49%59%61%66%48%37%38%
Data source: Mahina December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mahina in December

As the year comes full circle in Mahina, French Polynesia, December shines with 13 hours of daylight, a return to the longer days reminiscent of January. This month marks a transitional shift, where the daylight gradually lengthened from the shorter days of April through November. Notably, from May to September, the daylight remained consistently capped at 11 hours, creating a serene, stable rhythm. However, as October approached, daylight began to gently extend again, establishing a pleasant trend as the island welcomes the longer hours once more. December's bright extension not only heralds the arrival of summer but also invites locals and visitors alike to bask in the sun-soaked beauty of Mahina.

Average Daylight Hours in Mahina for December

The chart illustrates the variation in daylight duration in Mahina throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 1m12h 38m12h 9m11h 39m11h 16m11h 4m11h 11m11h 32m11h 59m12h 29m12h 55m13h 8m
Data source: Mahina daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Mahina

As December settles over Mahina, French Polynesia, the average wind speed reaches a gentle 5.5 m/s (12 mph), embodying a tranquil transition from the brisker winds of earlier months. Following a steady rise throughout the year, peaking at 6.9 m/s (16 mph) in July, the winds gradually soften during the latter half of the year, offering a serene atmosphere perfect for enjoying the idyllic landscape. While winds maintain a pleasing consistency, there is a noticeable dip from the summer’s peak, hinting at the shift toward a more relaxed pace as the year comes to a close. December’s mild breezes invite visitors to embrace the natural beauty of Mahina, where the winds weave a soothing soundtrack to life's tropical rhythm.

Average December Wind Speed in Mahina

The chart displays monthly wind speed patterns in Mahina, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.24.74.84.35.45.76.96.16.15.65.25.5 m/s
Data source: Mahina December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Mahina Compares to Other Months

Weather in Mahina varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mahina, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather typically features temperatures ranging from a minimum of 23°C (74°F) to a maximum of 28°C (82°F), with an average temperature of 26°C (78°F). This month experiences considerable rainfall, with 271 mm (10.7 in) of precipitation over 26 days and humidity levels at 82%. In contrast, January maintains a similar temperature profile, with a minimum of 23°C (73°F), an average of 26°C (79°F), and a maximum of 28°C (82°F). However, January sees a slight decrease in precipitation, totaling 250 mm (9.8 in) over 22 days, and a marginally lower humidity of 80%. Overall, while both months offer warm temperatures, January is slightly drier and less humid. For more details, check out Mahina weather in January.

December and February in Mahina showcase a similar temperature profile, with both months experiencing minimum temperatures around 23°C (74°F), average temperatures near 26°C (78°F in December and 79°F in February), and maximums reaching 28°C (82°F in December and 83°F in February). However, February tends to be wetter than December, with precipitation totaling 334 mm (13.1 in) over 24 days compared to December's 271 mm (10.7 in) over 26 days. Humidity levels remain relatively high in both months, at 82% in December and slightly lower at 81% in February. For more detailed insights into February weather, visit Mahina weather in February.

In December, the weather is characterized by slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 26°C (78°F), while precipitation is notably higher at 271 mm (10.7 in) over 26 days, contributing to a humidity level of 82%. In contrast, March experiences a minimum temperature of 24°C (75°F) and a similar average of 26°C (79°F), but with reduced rainfall at 213 mm (8.4 in) across 27 days, resulting in a slightly lower humidity of 79%. Overall, while both months share comparable temperatures, December is wetter and more humid compared to the drier conditions found in March. For a detailed look at weather patterns, you can check Mahina weather in March.

In comparing the weather of December and April, we notice that both months share similar average temperatures, with December ranging from a minimum of 23°C (74°F) to a maximum of 28°C (82°F), and April showing a close range of 23°C (74°F) to 28°C (83°F). However, December is significantly wetter, receiving 271 mm (10.7 in) of rainfall over 26 days, compared to April's 157 mm (6.2 in) over 25 days. Additionally, the humidity in December is slightly higher at 82% versus 79% in April. For more specific insights into April's weather, you can check out Mahina weather in April.

In December, the weather is characterized by slightly higher humidity at 82% and significantly more precipitation, totaling 271 mm over 26 days. Temperatures remain consistent, with a minimum of 23°C (74°F) and a maximum of 28°C (82°F), and an average around 26°C (78°F). In contrast, May has similar temperature ranges, but experiences much less rainfall, with only 96 mm spread over 21 days and a slightly lower humidity of 80%. This results in a drier and more comfortable environment compared to the wet and humid December conditions. For more details on the weather in May, you can visit Mahina weather in May.

In December, the weather is slightly warmer with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 28°C (82°F), while June's temperatures are marginally cooler, with a minimum of 22°C (72°F) and a maximum of 27°C (81°F). December also experiences significantly higher precipitation, averaging 271 mm (10.7 in) over 26 days, compared to June's 115 mm (4.5 in) of rainfall over 20 days. Humidity levels are comparable, with December at 82% and June at 80%. For more details on the weather in June, visit Mahina weather in June.

December and July present distinct weather patterns in this region. In December, temperatures range from a minimum of 23°C (74°F) to a maximum of 28°C (82°F), with an average of 26°C (78°F). This month experiences more rainfall, with 271 mm (10.7 in) of precipitation over 26 days, contributing to a higher humidity level of 82%. In contrast, July offers slightly cooler temperatures, where the minimum is 22°C (73°F) and the maximum reaches 27°C (80°F), yielding an average of 25°C (76°F). The precipitation in July is significantly lower at 134 mm (5.3 in) spread over 20 days, resulting in a humidity level of 78%. For more detailed information, check out the Mahina weather in July.

In comparing the weather of December and August, December presents slightly warmer temperatures, with a minimum of 23°C (74°F) and an average of 26°C (78°F), while August has a minimum of 22°C (71°F) and an average of 24°C (76°F). December also experiences significantly higher precipitation, with 271 mm (10.7 in) over 26 days, compared to August's much drier 65 mm (2.6 in) spread over 15 days. Both months have high humidity levels, but December’s 82% is slightly lower than August's 83%. For more details on August weather, you can visit Mahina weather in August.

In comparing the weather between December and September, December tends to be slightly warmer, with average temperatures reaching around 26°C (78°F) compared to September's 24°C (76°F). For both months, the minimum temperatures remain relatively close, at 23°C (74°F) in December and 22°C (71°F) in September. However, December is significantly wetter, receiving 271 mm (10.7 in) of precipitation over 26 days, while September sees a much lower total of 110 mm (4.4 in) across 16 days. Both months experience high humidity levels of 82%, but the increased rainfall in December contributes to a more tropical atmosphere. For specific insights about weather in September, refer to Mahina weather in September.

December typically experiences slightly warmer temperatures than October, with minimums around 23°C (74°F) compared to 22°C (72°F) in October. The average temperature in December reaches about 26°C (78°F), while October sees an average of 24°C (76°F). Additionally, December is notably wetter, with 271 mm (10.7 in) of rainfall spread over 26 days, compared to October's 162 mm (6.4 in) over 21 days. Humidity remains fairly high in both months, at 82% in December and 84% in October. For more detailed insights about the weather in October, you can visit Mahina weather in October.

In comparing the weather between November and December, both months exhibit similar temperatures, with December being slightly warmer. December boasts a minimum temperature of 23°C (74°F) and an average of 26°C (78°F), while November has a minimum of 23°C (73°F) and an average of 25°C (77°F). However, December experiences significantly higher precipitation, totaling 271 mm (10.7 in) over 26 days, compared to November's 182 mm (7.2 in) over 23 days. Notably, both months maintain a consistent humidity level of 82%. For more detailed information about November weather, visit Mahina weather in November.

Compare Mahina's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Mahina

In December, Mahina experiences a warm and humid atmosphere, with temperatures reaching an average of 26°C (78°F), complemented by frequent rain, with precipitation occurring on 26 days of the month. This distinct wet season sets December apart from other months, resulting in lush greenery and a vibrant landscape, perfect for those looking to embrace the tropical climate. While the refreshing showers may dampen outdoor activities, they also contribute to the natural beauty of the region. For more detailed insights into the nuances of Mahina's weather patterns, check out Mahina Climate.