December weather forecastMatiti, French Polynesia

December

Weather in December

December sees a substantial increase in rainfall up to 246mm (9.69"), making it the wettest month of the year in Matiti, French Polynesia. The temperature climbs higher, marking the initiation of the warmer season. As the year draws to a close, an overall increase in daylight, sun shining hours, and humidity occurs. The wind speed decreases a bit, contributing to the overall warmth and moisture. Despite the rains, December provides a warm, tropical atmosphere in the region.

Temperature

As Matiti transitions into December, the average high-temperature stands at a still warm 26.8°C (80.2°F), offering little variation from the preceding month. The temperature during December experiences a small drop from daytime peaks, recording an average of 25.9°C (78.6°F) at night.

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.

Daylight

The month with the longest days is December, with an average of 13h and 12min of daylight.
On the first day of the month, sunrise is at 05:12 and sunset at 18:20. On the last day of December, in Matiti, sunrise is at 05:25 and sunset at 18:35 -10.

Sunshine

With an average of 9.2h of sunshine, December has the most sunshine of the year.

UV index

January through May and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 7 in December leads to these recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

In Matiti, 26.8°C (80.2°F) is the average high-temperature and 25.9°C (78.6°F) is the average low-temperature during December. In April, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 30°C (86°F).

In December, the average relative humidity is 79%.

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.

In December, the rain falls for 26.7 days. Throughout December, 246mm (9.69") of precipitation is accumulated.

December has the longest days of the year, with an average of 13h and 12min of daylight.

In Matiti, the average day length in December is 13h and 11min.

In December, on the first day of the month, sunrise is at 05:12 and sunset at 18:20. On the last day of the month, sunrise is at 05:25 and sunset at 18:35 -10.

December has the most sunshine of the year in Matiti, with an average of 9.2h of sunshine.

In Matiti, the average sunshine duration in December is 9.2h.

The months with the highest UV index in Matiti are January through May and December, with an average maximum UV index of 7.

The average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Matiti, 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
Matiti, 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
Matiti, 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
Matiti, 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
Matiti, 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
Matiti, 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 daylight in December /
Average sunshine in December
Matiti, 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
Matiti, 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
Matiti, 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
Matiti, 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
Matiti, 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).