December weather forecastMāhina, French Polynesia
December
Weather in December
December completes the cycle with the highest rainfall throughout the year, accumulating to 246mm (9.69"). City temperatures remain stable, providing a warm backdrop to the festive season. The sea, too, stays warm, posing an enticing lure to beachgoers and swimmers. While the daylight duration hits its peak, the cloud coverage stays nearly constant. Winds speed take a decrease, cutting down the gust intensity. In summary, December is a wet and warm month with a significant decrease in winds.Temperature
Māhina experiences an average high-temperature of a still warm 26.8°C (80.2°F) in December, subtly different from November's 26°C (78.8°F). Māhina indicates a consistently low-temperature of 25.9°C (78.6°F) during the nights of December.Humidity
The average relative humidity in December is 79%.Rainfall
The month with the most rainfall is December, when the rain falls for 26.7 days and typically aggregates up to 246mm (9.69") of precipitation.Sea temperature
In December, the average sea temperature in Māhina is 28.2°C (82.8°F).Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.
Daylight
The month with the longest days in Māhina is December, with an average of 13h and 12min of daylight.On the first day of the month, sunrise is at 05:14 and sunset at 18:20. On the last day of December, in Māhina, sunrise is at 05:26 and sunset at 18:36 -10.
Sunshine
With an average of 9.2h of sunshine, December has the most sunshine of the year.UV index
The months with the highest UV index in Māhina are January through May and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the UV index of 7 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Stay aware! UV radiation is magnified when reflecting off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Māhina, French Polynesia
- Average high temperature in December: 26.8°C
The warmest month (with the highest average high temperature) is March (27.3°C).
The months with the lowest average high temperature are August and September (24.6°C).
- Average low temperature in December: 25.9°C
The months with the highest average low temperature are March and April (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.5°C).
Average pressure in December
Māhina, French Polynesia
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is September (1015.3mbar).
The months with the lowest atmospheric pressure are January and December (1011.1mbar).
Average wind speed in December
Māhina, French Polynesia
- Average wind speed in December: 20.2km/h
The windiest month (with the highest average wind speed) is September (25km/h).
The calmest month (with the lowest average wind speed) is March (18.3km/h).
Average humidity in December
Māhina, French Polynesia
- Average humidity in December: 79%
The months with the highest relative humidity are August, October and November (80%).
The months with the lowest relative humidity are January, March and April (78%).
Average rainfall in December
Māhina, French Polynesia
- Average rainfall in December: 246mm
The wettest month (with the highest rainfall) is December (246mm).
The driest month (with the least rainfall) is August (40mm).
Average rainfall days in December
Māhina, French Polynesia
- Average rainfall days in December: 26.7 days
The month with the highest number of rainy days is January (29.3 days).
The month with the least rainy days is August (17.3 days).
Average sea temperature in December
Māhina, French Polynesia
- Average sea temperature in December: 28.2°C
The best month for swimming (with the highest average sea temperature) is March (28.9°C).
The coldest months (with the lowest average sea temperature) are August and September (26.4°C).
Average daylight in December /
Average sunshine in December
Māhina, French Polynesia
- Average daylight in December: 13h and 12min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in December: 9h and 12min
The month with the most sunshine is December (Average sunshine: 9h and 12min).
The month with the least sunshine is August (Average sunshine: 5h and 36min).
Average sunshine days in December
Māhina, French Polynesia
- Average sunshine days in December: 2.2 days
The month with the most sunshine days is August (9.4 days).
The month with the least sunshine days is January (0.8 days).
Average UV index in December
Māhina, French Polynesia
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May and December (UV index 7).
The months with the lowest UV index are June, July, August, September, October and November (UV index 6).
Average cloud cover in December
Māhina, French Polynesia
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in December
Māhina, French Polynesia
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).





