January Weather in Mahina, French Polynesia

Last updated: October 30, 2025

In January, Mahina, French Polynesia, enjoys a tropical climate characterized by warm temperatures and high humidity. The maximum temperature reaches a pleasant 28°C (82°F), with an average of 26°C (79°F) and a minimum of 23°C (73°F), making it an ideal destination for sun-seekers. However, this month also brings ample rainfall, with a precipitation amount of 250 mm (9.8 in) over approximately 22 days, contributing to the lush landscapes that define the region. Visitors should be prepared for high humidity levels around 80%, which adds to the tropical feel, making January a vibrant yet humid month in Mahina.

January Temperature in Mahina

In January, Mahina, French Polynesia, basks in delightful tropical warmth, with temperatures ranging from a comfortable 23°C (73°F) to a max of 28°C (82°F). The average temperature hovers around 26°C (79°F), setting the stage for balmy days and pleasant evenings. As the months progress towards February and March, this pattern remains consistent, maintaining similar temperature ranges that invite beachgoers and explorers alike. By mid-year, temperatures begin to dip slightly, with averages settling around 25°C (77°F) in June and July, but the warm feel persists, ensuring that the charm of this island paradise endures. Even as October and November approach, the warmth returns, with temps stabilizing once again at a cozy 23°C to 28°C, proving that Mahina offers an inviting climate year-round.

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

The chart illustrates January 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, January typically has an average temperature of 26°C (79°F), with highs reaching up to 28°C (82°F) and lows dropping to around 23°C (73°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.

January Precipitation in Mahina

January in Mahina, French Polynesia, sets the tone for the year with substantial precipitation, amassing an impressive 250 mm (9.8 in) over 22 days. This month typically marks the beginning of the rainy season, as the island transitions into its wet months, characterized by prolonged downpours. Following January, precipitation peaks significantly in February, rising to 334 mm (13.1 in) despite experiencing more rainy days. Interestingly, the trend shows a gradual decline in rainfall towards May, where levels dip to a mere 96 mm (3.8 in), suggesting a seasonal shift as the dry months approach. However, January’s noteworthy rainfall helps sustain the lush landscapes and vibrant ecosystems that define Mahina, making it a captivating destination year-round.

January Precipitation Trends in Mahina

The chart displays monthly precipitation patterns in Mahina, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Mahina, January typically receives around 250 mm (9.8 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec2503342131579611513465111162182271
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Mahina

In January, Mahina, French Polynesia experiences a humidity level of 80%, setting the tone for a tropical ambiance that characterizes the region. As the year progresses into February, this humidity rises slightly to 81%, peaking in October at 84%. This gradual increase reflects a trend towards more humid conditions, particularly in the latter half of the year, with the peak humidity arriving during the warmest months. Interestingly, despite these fluctuations, March and April present a slight dip to 79%, hinting at a brief respite before the humidity climbs again. Overall, the consistent high humidity levels, often hovering around the 80% mark, create a lush and vibrant environment that distinguishes Mahina's tropical charm.

January Average Humidity in Mahina

This chart illustrates the average monthly humidity levels in Mahina, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Mahina is approximately 80%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Mahina

In January, Mahina, French Polynesia, experiences a severe UV Index of 16, categorizing it in the extreme exposure category and resulting in a quick burn time of just 10 minutes. This trend of extreme UV levels continues throughout the early months of the year, with February and March also maintaining high indices of 15. As the year progresses, the UV Index fluctuates, reaching its peak again in October, while the burn time remains consistently brief, emphasizing the need for sun protection. Notably, from May to August, the UV Index drops slightly but still falls within the very high category, which extends the burn time to 15 minutes. For anyone planning to enjoy the tropical sun, being aware of these UV trends is crucial; for detailed insights, visit Mahina UV Index.

Maximum UV Index Levels in Mahina for January

The chart shows the monthly maximum UV Index (UVI) for Mahina in January, 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 January, the maximum UV index in Mahina typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1615151310881013151515
Data source: Mahina January 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.

January Sunshine in Mahina

In January, visitors to Mahina, French Polynesia, can bask in an impressive 243 hours of sunshine, setting the tone for a summer filled with radiant days. As the year progresses into February, the sunshine remains consistent at 243 hours, ensuring that the lush landscapes maintain their vibrant allure. However, from March onward, a noticeable trend emerges with sunshine hours gradually increasing, peaking in October with a delightful 312 hours. This delightful ascent in sunny hours enhances the island's charm, inviting travelers to explore its stunning beaches and azure waters while enjoying the near-continuous sunshine that characterizes island life. The year beautifully culminates with November and December, which still offer an abundance of sunshine, reinforcing Mahina's reputation as a tropical paradise year-round.

Monthly Sunshine Duration in Mahina: January Highlighted

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

Chance of Sun in Mahina During January

In January, Mahina experiences a 33% chance of sunny weather, setting the stage for a month filled with a mix of clouds and sun. Following January, the trend shows a gradual increase in sunshine likelihood, with February dipping to 26% before climbing steadily to reach its highest point of 61% in August. This upward trajectory continues, peaking in September at 66%, showcasing Mahina's transformation into a sun-drenched paradise. As the year progresses, warmer months like May and June also contribute to the sunny appeal with chances of 39% and 49%, respectively, reflecting a seasonal shift that invites visitors to bask in the tropical warmth. Thus, while January might offer moderate sunlight, the promise of brighter days lies just ahead, making it an enticing time for those seeking a getaway in this idyllic locale.

Percentage of Sunny Days in January in Mahina

The chart illustrates the percentage of sunny days in Mahina throughout the year, with January 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 January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mahina in January

In Mahina, French Polynesia, January shines bright with approximately 13 hours of daylight, marking the peak of summer and inviting vibrant outdoor activities. As the year progresses into February and March, daylight slightly wanes to 12 hours, providing a gentle transition into the cooler months. By April, the sun dips further to 11 hours, maintaining this duration through the winter months until October. Then, a gradual resurgence begins as daylight stretches back to 12 hours in October and November, culminating with another burst of 13 hours in December. This cyclical dance of daylight reflects the beautiful rhythm of the tropics, where longer days herald the warmth of summer while shorter ones invite a cozy retreat.

Average Daylight Hours in Mahina for January

The chart illustrates the variation in daylight duration in Mahina throughout the year, with January 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.

January Winds in Mahina

January in Mahina, French Polynesia welcomes sailors and beachgoers with an invigorating average wind speed of 6.2 m/s (14 mph), marking the beginning of a lively wind season. This breezy month stands out as a precursor to the stronger gusts of July, where the winds peak at 6.9 m/s (16 mph), creating the ideal conditions for water sports and outdoor adventures. As the year progresses, the wind tends to soften, with February and March seeing a slight dip to 4.7 m/s (10 mph) and 4.8 m/s (11 mph), respectively, offering a gentler atmosphere for those seeking tranquility. The trend continues into the late spring months, where the winds fluctuate but remain relatively mild, particularly in April at 4.3 m/s (10 mph). Overall, the January winds lay the groundwork for a dynamic year, with a noticeable crescendo as the warm season progresses towards mid-year, presenting both challenges and opportunities for wind enthusiasts.

Average January Wind Speed in Mahina

The chart displays monthly wind speed patterns in Mahina, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.2 m/s4.74.84.35.45.76.96.16.15.65.25.5
Data source: Mahina January wind data, generated using information from the Copernicus Climate Change Service.

How January 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 January’s weather to other months in Mahina, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, the weather in Mahina features a temperature range from a minimum of 23°C (73°F) to a maximum of 28°C (82°F), with an average temperature of 26°C (79°F). The month sees significant rainfall, with a total precipitation of 250 mm (9.8 in) over 22 days, and humidity levels around 80%.

In contrast, February maintains a similar temperature range, with a minimum of 23°C (74°F) and a maximum of 28°C (83°F), also averaging 26°C (79°F). However, February experiences increased rainfall, totaling 334 mm (13.1 in) over 24 days, and slightly higher humidity at 81%.

For more details, you can check out Mahina weather in February.

In January, the weather is characterized by temperatures that range from a minimum of 23°C (73°F) to a maximum of 28°C (82°F), with an average of 26°C (79°F). This month experiences significant rainfall, with 250 mm (9.8 in) over 22 days, and humidity levels hover around 80%. In contrast, March sees similar temperatures, with a minimum of 24°C (75°F) and a maximum of 28°C (83°F), maintaining the average at 26°C (79°F). However, precipitation decreases to 213 mm (8.4 in), spread over 27 days, and humidity slightly lowers to 79%. For more specific insights into March's weather, you can check Mahina weather in March.

In January, the weather features warm temperatures with a minimum of 23°C (73°F) and an average of 26°C (79°F), peaking at a maximum of 28°C (82°F). However, this month is characterized by significant rainfall, receiving 250 mm (9.8 in) over 22 days, contributing to a high humidity of 80%.

In contrast, April maintains similar temperatures, with a minimum of 23°C (74°F), an average of 26°C (79°F), and a maximum of 28°C (83°F). This month experiences less precipitation at 157 mm (6.2 in) over 25 days, resulting in slightly lower humidity at 79%. For a detailed look at the weather conditions in April, check out Mahina weather in April.

In both January and May, the weather remains consistently warm, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (82°F) and an average of 26°C (79°F). However, January experiences significantly more rainfall, with a precipitation total of 250 mm (9.8 in) over 22 days compared to May's 96 mm (3.8 in) over 21 days. Despite the similar temperatures, the humidity level remains high in both months at 80%, providing a tropical feel year-round. For more details on the weather in Mahina during May, visit Mahina weather in May.

In January, Mahina experiences slightly warmer temperatures, with a minimum of 23°C (73°F) and an average of 26°C (79°F), peaking at 28°C (82°F). This month is also marked by significant rainfall, totaling 250 mm (9.8 in) over approximately 22 days, maintaining a high humidity of 80%. In contrast, June sees somewhat cooler conditions, with temperatures ranging from a minimum of 22°C (72°F) to an average of 25°C (78°F) and a maximum of 27°C (81°F). Precipitation decreases to 115 mm (4.5 in) over 20 days, while the humidity remains consistent at 80%. For a closer look at the weather conditions in June, you can visit Mahina weather in June.

When comparing the weather in January and July, it’s clear that both months experience warm temperatures, but January tends to be slightly hotter. In January, the minimum temperature is 23°C (73°F) with an average of 26°C (79°F) and a maximum reaching 28°C (82°F). In contrast, July has a minimum of 22°C (73°F), an average of 25°C (76°F), and a maximum of 27°C (80°F). Additionally, January is notably wetter, with 250 mm (9.8 in) of precipitation over 22 days, while July receives only 134 mm (5.3 in) over 20 days. Humidity levels are similar, with January at 80% and July slightly lower at 78%. For more details, check out Mahina weather in July.

January and August weather in Mahina exhibit notable differences. In January, temperatures are slightly warmer, with an average of 26°C (79°F) and maximums reaching 28°C (82°F). The month also experiences significant rainfall, totaling 250 mm (9.8 in) over 22 days, contributing to a high humidity level of 80%. In contrast, August sees cooler temperatures, with averages around 24°C (76°F) and maximums of 26°C (79°F). Precipitation is considerably lower, at 65 mm (2.6 in) over 15 days, and humidity increases slightly to 83%. For more detailed information about the weather in August, you can visit Mahina weather in August.

In January, the weather is typically warmer, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (82°F). The month also experiences significant rainfall, with 250 mm (9.8 in) spread over 22 days, resulting in high humidity levels at around 80%. In contrast, September sees cooler temperatures, averaging between 22°C (71°F) and 26°C (79°F), with a notable reduction in precipitation to 110 mm (4.4 in) over 16 days. The humidity remains relatively high at 82%, but the overall weather is more stable, making it a pleasant time to visit. For more details, check out Mahina weather in September.

In January, the weather tends to be warmer, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (82°F) and an average of 26°C (79°F). This month also experiences significant rainfall, with about 250 mm (9.8 in) spread over 22 days and humidity levels at around 80%.

In contrast, October sees slightly cooler temperatures, with a minimum of 22°C (72°F), an average of 24°C (76°F), and a maximum of 26°C (79°F). Precipitation is lower in October, totaling 162 mm (6.4 in) over 21 days, while humidity rises slightly to 84%. For more detailed information, you can check out Mahina weather in October.

In comparing the weather of January and November, both months exhibit warm temperatures, with January having a slightly warmer average temperature of 26°C (79°F) compared to November's 25°C (77°F). The maximum temperatures are also marginally higher in January at 28°C (82°F) compared to 27°C (81°F) in November. While January experiences more substantial rainfall with 250 mm (9.8 in) over 22 days, November sees a reduction in precipitation to 182 mm (7.2 in) across 23 days. Additionally, humidity levels remain high in both months, with January at 80% and November slightly higher at 82%. For a more detailed look at November’s weather, you can visit Mahina weather in November.

In comparing the weather of January and December, both months exhibit relatively similar temperature ranges, with minimum temperatures consistently around 23°C (73°F) and maximums reaching 28°C (82°F). However, January tends to see slightly less precipitation, totaling 250 mm (9.8 in) over 22 days, compared to December's 271 mm (10.7 in) over 26 days. Additionally, January has a marginally lower humidity level at 80%, compared to December’s 82%. For more detailed weather information, you can visit Mahina weather in December.

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Conclusion: What to Expect From January Weather in Mahina

In January, Mahina's weather truly embodies the essence of tropical paradise, with warm temperatures and high humidity creating a vibrant atmosphere. While the average warmth remains inviting, this month stands out due to a significant increase in precipitation, with frequent rain showers gracing the landscape over nearly three-quarters of the days. This contrasts sharply with the drier months surrounding January, highlighting the unique charm of the rainy season as lush greenery flourishes and the island thrives. To explore more about how January's conditions compare to other months, visit Mahina Climate.