December weather forecast
Vaitahu, French Polynesia

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Weather in December

December marks the arrival of summer in Vaitahu. Despite maximum cloud percentage peaking at 40%, the island receives the highest daylight hours, measuring at 12.7 hours. Although the incoming month involves slight shifts in weather parameters, December remains firmly on the warm side. The mild but breezy winds and bright skies help balance the rise in humidity. In sum, December maintains the vibrant, tropical spirit, pairing well with the festivities of the holiday season.

Temperature

The arrival of December in Vaitahu coincides with an average high-temperature of a still warm 27.2°C (81°F), indicating a minimal shift from November's 26.9°C (80.4°F). Vaitahu in December experiences a minor decline in temperature, with an average low of 26.6°C (79.9°F) at night.

Heat index

During December, the heat index is calculated to be a tropical 30°C (86°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

January, September and December, with an average relative humidity of 75%, are the least humid months.

Rainfall

In Vaitahu, in December, during 17 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Vaitahu, French Polynesia, during the entire year, the rain falls for 203.9 days and collects up to 428mm (16.85") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 42min of daylight.
On the first day of December, sunrise is at 05:15 and sunset at 17:55. On the last day of the month, sunrise is at 05:28 and sunset at 18:10 -0930.

Sunshine

In Vaitahu, the average sunshine in December is 9.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Vaitahu. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 7 transforms into these recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What are December temperatures in Vaitahu?

Vaitahu in December has an average high-temperature of 27.2°C (81°F) and an average low-temperature of 26.6°C (79.9°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in December is calculated to be 30°C (86°F).

What are the least humid months in Vaitahu?

The months with the lowest humidity are January, September and December, with an average relative humidity of 75%.

What is the average humidity in December in Vaitahu?

In Vaitahu, French Polynesia, the average relative humidity in December is 75%.

How much does it rain in Vaitahu in December?

In Vaitahu, during December, the rain falls for 17 days and regularly aggregates up to 34mm (1.34") of precipitation.

When are the longest days in Vaitahu?

December has the longest days of the year in Vaitahu, French Polynesia, with an average of 12h and 42min of daylight.

How many hours of daylight does Vaitahu have in December?

In Vaitahu, French Polynesia, the average day length in December is 12h and 42min.

When are sunrise and sunset in December in Vaitahu?

On the first day of December, sunrise is at 05:15 and sunset at 17:55. On the last day of the month, sunrise is at 05:28 and sunset at 18:10 -0930.

How many hours of sunshine does Vaitahu have in December?

In December, the average sunshine duration in Vaitahu is 9.9h.

When is the highest UV index in Vaitahu?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

What are the months with the lowest UV index in Vaitahu?

The months with the lowest UV index in Vaitahu are January through December, with an average maximum UV index of 7.

How high is the UV index in December in Vaitahu?

In Vaitahu, French Polynesia, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in December
Vaitahu, French Polynesia

Average temperature in December - Vaitahu, French Polynesia
  • Average high temperature in December: 27.2°C

The warmest month (with the highest average high temperature) is March (28.2°C).
The month with the lowest average high temperature is August (26.4°C).

  • Average low temperature in December: 26.6°C

The month with the highest average low temperature is March (27°C).
The coldest month (with the lowest average low temperature) is August (25.1°C).

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Average pressure in December
Vaitahu, French Polynesia

Average pressure in December - Vaitahu, French Polynesia
  • Average pressure in December: 1010.8mbar

The months with the highest atmospheric pressure are August and September (1012.9mbar).
The months with the lowest atmospheric pressure are February, March and December (1010.8mbar).

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Average wind speed in December
Vaitahu, French Polynesia

Average wind speed in December - Vaitahu, French Polynesia
  • Average wind speed in December: 24.1km/h

The windiest month (with the highest average wind speed) is July (28.1km/h).
The calmest month (with the lowest average wind speed) is March (22.3km/h).

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Average humidity in December
Vaitahu, French Polynesia

Average humidity in December - Vaitahu, French Polynesia
  • Average humidity in December: 75%

The month with the highest relative humidity is April (77%).
The months with the lowest relative humidity are January, September and December (75%).

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Average rainfall in December
Vaitahu, French Polynesia

Average rainfall in December - Vaitahu, French Polynesia
  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is March (49mm).
The driest month (with the least rainfall) is September (22mm).

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Average rainfall days in December
Vaitahu, French Polynesia

Average rainfall days in December - Vaitahu, French Polynesia
  • Average rainfall days in December: 17 days

The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is August (15.5 days).

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Average daylight in December /
Average sunshine in December
Vaitahu, French Polynesia

Average daylight in December / Average sunshine in December - Vaitahu, French Polynesia
  • Average daylight in December: 12h and 4min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in December: 9h and 5min

The month with the most sunshine is January (Average sunshine: 10h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).

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Average sunshine days in December
Vaitahu, French Polynesia

Average sunshine days in December - Vaitahu, French Polynesia
  • Average sunshine days in December: 7.8 days

The month with the most sunshine days is November (8.8 days).
The month with the least sunshine days is March (5.9 days).

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Average UV index in December
Vaitahu, French Polynesia

Average UV index in December - Vaitahu, French Polynesia
  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover in December
Vaitahu, French Polynesia

Average cloud cover in December - Vaitahu, French Polynesia
  • Average cloud cover in December: 38

The month with the most cloud cover is November (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 36).

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Average visibility in December
Vaitahu, French Polynesia

Average visibility in December - Vaitahu, French Polynesia
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Vaitahu, French Polynesia

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