Contents
- 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 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
December
Weather in December
Temperature
The arrival of December denotes a barely perceptible change in the average high-temperatures to a still hot 33.2°C (91.8°F) from November's 34.6°C (94.3°F). Despite a significant disparity with daytime temperatures, an average low-temperature of 17.6°C (63.7°F) is recorded during December.Humidity
The average relative humidity in December in Biri is 22%.Rainfall
January, February and December are months without rainfall.Daylight
The month with the shortest days is December, with an average of 11h and 30min of daylight.On the first day of December in Biri, sunrise is at 06:08 and sunset at 17:42. On the last day of the month, sunrise is at 06:23 and sunset at 17:55 WAT.
Sunshine
December has the least sunshine of the year, with an average of 7.7h of sunshine.UV index
July, August and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in December?
What is the average humidity in December?
What is the driest month?
Does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Biri have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Biri, Cameroon
- Average high temperature in December: 33.2°C
The warmest month (with the highest average high temperature) is March (38.8°C).
The month with the lowest average high temperature is August (28.2°C).
- Average low temperature in December: 17.6°C
The month with the highest average low temperature is May (25.8°C).
The coldest month (with the lowest average low temperature) is January (16.6°C).
Average pressure in December
Biri, Cameroon
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is April (1006.6mbar).
Average wind speed in December
Biri, Cameroon
- Average wind speed in December: 8.3km/h
The windiest months (with the highest average wind speed) are February and March (8.9km/h).
The calmest month (with the lowest average wind speed) is September (5.2km/h).
Average humidity in December
Biri, Cameroon
- Average humidity in December: 22%
The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are February and March (16%).
Average rainfall in December
Biri, Cameroon
- Average rainfall in December: 0mm
The wettest month (with the highest rainfall) is August (215mm).
The driest months (with the least rainfall) are January, February and December (0mm).
Average rainfall days in December
Biri, Cameroon
- Average rainfall days in December: 0 days
The month with the highest number of rainy days is August (29.5 days).
The months with the least rainy days are January, February and December (0 days).
Average daylight in December /
Average sunshine in December
Biri, Cameroon
- Average daylight in December: 11h and 3min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in December: 7h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).
Average sunshine days in December
Biri, Cameroon
- Average sunshine days in December: 31 days
The months with the most sunshine days are January and December (31 days).
The month with the least sunshine days is August (1 days).
Average UV index in December
Biri, Cameroon
- Average UV index in December: 6
The months with the highest UV index are March and April (UV index 8).
The months with the lowest UV index are July, August and December (UV index 6).
Average cloud cover in December
Biri, Cameroon
- Average cloud cover in December: 1
The month with the most cloud cover is August (Cloud cover 48).
The months with the least cloud cover are January and December (Cloud cover 1).
Average visibility in December
Biri, Cameroon
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The month with the lowest visibility is August (8km).
