Bairiki
Kiribati
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Bairiki, Kiribati

The National Parliament buildings of Bairiki, Kiribati, viewed from across the city triangle in the morning
The National Parliament buildings of Bairiki, Kiribati, viewed from across the city triangle in the morning
The first month of the winter, December, is also a moderately hot month in Bairiki, Kiribati, with average temperature ranging between max 28.6°C (83.5°F) and min 27.4°C (81.3°F).

Temperature

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

Heat index

The average heat index in December is appraised at a hot 33.1°C (91.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like pregnancy, metabolic differences, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Bairiki, the average relative humidity is 77%.

Rainfall

In December, in Bairiki, the rain falls for 15.9 days. Throughout December, 126mm (4.96") of precipitation is accumulated. In Bairiki, during the entire year, the rain falls for 192.9 days and collects up to 1106mm (43.54") of precipitation.

Sea temperature

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

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

Sunshine

The average sunshine in Bairiki is 7.8h.

UV index

Months with the highest UV index in Bairiki are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Bairiki. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 reflection of water and sand dramatically increases exposure to the UV rays.

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. 'feels like', 'apparent temperature'), that combines both air temperature and relative humidity, in December is calculated to 33.1°C (91.6°F).

What is the average humidity in December in Bairiki?

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

How many days does it rain in December in Bairiki?

In Bairiki, Kiribati, during December, the rain falls for 15.9 days and regularly aggregates up to 126mm (4.96") of precipitation.

When is the sea coldest in Bairiki?

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

What is the sea water temperature in December in Bairiki?

In December, the average sea temperature in Bairiki, Kiribati, is 28.7°C (83.7°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the month with the shortest days in Bairiki?

The month with the shortest days in Bairiki, Kiribati, is December, with an average of 12h of daylight.

How many hours of daylight does Bairiki have in December?

The average length of the day in December in Bairiki, Kiribati, is 12h.

How many hours of sunshine does Bairiki have in December?

In Bairiki, Kiribati, the average sunshine in December 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 in Bairiki.

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

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

How high is the UV index in December in Bairiki?

The average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
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).

Average humidity in December - Bairiki, Kiribati
  • Average humidity in December: 77%

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

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 lowest rainfall) is September (54mm).

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 lowest number of rainy days is November (11.1 days).

Average sea temperature in December - Bairiki, Kiribati
  • Average sea temperature in December: 28.7°C

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).

Average daylight in December / Average sunshine in December - Bairiki, Kiribati
  • Average daylight in December: 12h

Months with the longest days are May, June, July and August (Average daylight: 12.2h).
The month with shortest days is December (Average daylight: 12h).

  • Average sunshine in December: 7.8h

The month with most sunshine is September (Average sunshine: 8.6h).
Months with least sunshine are February and March (Average sunshine: 7.4).

Average UV index in December - Bairiki, Kiribati
  • Average UV index in December: 7

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