December Weather forecast - Winter forecast

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average sea temperature in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

The National Parliament buildings of Bairiki, Kiribati

Weather in December

The first month of the winter, December, is still a warm month in Bairiki, Kiribati, with an average temperature ranging between min 27.4°C (81.3°F) and max 28.6°C (83.5°F).

Temperature

In December, the average high-temperature is relatively the same as in November - a still moderately hot 28.6°C (83.5°F). The average low-temperature, is 27.4°C (81.3°F).

Heat index

In December, the average heat index is calculated to be a tropical 33°C (91.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, metabolic differences, differences in body mass, height, and shape), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In December, the average relative humidity in Bairiki is 77%.

Rainfall

In Bairiki, it is raining for 15.9 days, with typically 126mm (4.96") of accumulated precipitation. Throughout the year, there are 192.9 rainfall days, and 1106mm (43.54") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 28.7°C (83.7°F), December is the month with the coldest seawater.
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The month with the shortest days is December, with an average of 12h and 3min of daylight.
On the first day of December, sunrise is at 06:15 and sunset at 18:18. On the last day of the month, sunrise is at 06:29 and sunset at 18:32 +12.

Sunshine

The average sunshine in December in Bairiki is 7.8h.

UV index

The months with the highest UV index in Bairiki are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 7 in December transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

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FAQ

What is the temperature in December in Bairiki?

In December, in Bairiki, Kiribati, the average high-temperature is 28.6°C (83.5°F), and the average low-temperature is 27.4°C (81.3°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in December is calculated to be 33°C (91.4°F).

What is the average humidity in December in Bairiki?

In December, the average relative humidity is 77%.

How much does it rain in Bairiki in December?

In Bairiki, in December, during 15.9 rainfall days, 126mm (4.96") of precipitation is typically accumulated.

What is the month with the coldest sea water in Bairiki?

December is the month with the coldest seawater in Bairiki, with an average sea temperature of 28.7°C (83.7°F).

What is the water temperature in December in Bairiki?

In Bairiki, in December, the average water temperature is 28.7°C (83.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the month with the shortest days in Bairiki?

December has the shortest days of the year in Bairiki, with an average of 12h and 3min of daylight.

What is the average length of the day in December in Bairiki?

In December, the average day length in Bairiki, Kiribati, is 12h and 3min.

What time are sunrise and sunset in December in Bairiki?

In December, on the first day of the month, sunrise is at 06:15 and sunset at 18:18. On the last day of the month, in Bairiki, sunrise is at 06:29 and sunset at 18:32 +12.

How long on average sun shines in December in Bairiki?

The average sunshine duration in December in Bairiki, Kiribati, is 7.8h.

What is the month with the highest UV index in Bairiki?

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 Bairiki?

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

What is the UV index reading in December in Bairiki?

In Bairiki, the average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

28.5°C 83.3°F

28.6°C 83.5°F

28.3°C 82.9°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17.1km/h 10.6mph

19.1km/h 11.9mph

21.2km/h 13.2mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

11.1

15.9

16.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

12.9

12.6

Average UV index

Average cloud cover

37%

43%

Average visibility

10km 6.2mi

Average temperature in December
Bairiki, Kiribati

Average high temperature in December: 28.6°C

The warmest month (with the highest average high temperature) is June (28.8°C).
The month with the lowest average high temperature is February (28.1°C).

Average low temperature in December: 27.4°C

The month with the highest average low temperature is September (27.6°C).
The coldest month (with the lowest average low temperature) is March (27°C).

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Average pressure in December
Bairiki, Kiribati

Average pressure in December: 1007.5mbar

The month with the highest atmospheric pressure is September (1009.4mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).

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Average wind speed in December
Bairiki, Kiribati

Average wind speed in December: 18.2km/h

The windiest month (with the highest average wind speed) is February (22.3km/h).
The calmest month (with the lowest average wind speed) is October (15.5km/h).

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Average humidity in December
Bairiki, Kiribati

Average humidity in December: 77%

The months with the highest relative humidity are February, March and April (79%).
The months with the lowest relative humidity are August, September, October and November (74%).

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Average rainfall in December
Bairiki, Kiribati

Average rainfall in December: 126mm

The wettest month (with the highest rainfall) is March (181mm).
The driest month (with the least rainfall) is September (54mm).

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Average rainfall days in December
Bairiki, Kiribati

Average rainfall days in December: 15.9 days

The month with the highest number of rainy days is April (20.3 days).
The month with the least rainy days is November (11.1 days).

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Average sea temperature in December
Bairiki, Kiribati

Average sea temperature in December: 28.7°C

The best months for swimming (with the highest average sea temperature) are June and August (29.4°C).
The coldest month (with the lowest average sea temperature) is December (28.7°C).

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Average daylight in December /
Average sunshine in December
Bairiki, Kiribati

Average daylight in December: 12h and 3min

The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 3min).

Average sunshine in December: 7h and 48min

The month with the most sunshine is September (Average sunshine: 8h and 36min).
The months with the least sunshine are February and March (Average sunshine: 7h and 24min).

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Average sunshine days in December
Bairiki, Kiribati

Average sunshine days in December: 12.9 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is April (8.2 days).

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Average UV index in December
Bairiki, Kiribati

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
Bairiki, Kiribati

Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is September (Cloud cover 36).

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Average visibility in December
Bairiki, Kiribati

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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December weather forecast
Bairiki, Kiribati

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