December weather forecastNjombé, Cameroon

December

Weather in December

December, the first month of the winter in Njombé, is still a tropical month, with temperature in the range of an average low of 21.1°C (70°F) and an average high of 33.8°C (92.8°F).

Temperature

December records an average high-temperature of a still hot 33.8°C (92.8°F), indicating a minor variation from the preceding month. With a significant temperature contrast, nighttime temperatures hover around an average low of 21.1°C (70°F) in December.

Heat index

For December, the heat index is computed to be a blistering 43°C (109.4°F). Notice: Heat cramps and heat exhaustion are likely. Continued strenuous activity might lead to heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant 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.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in December is 63%.

Rainfall

In Njombé, in December, it is raining for 9.8 days, with typically 20mm (0.79") of accumulated precipitation. In Njombé, during the entire year, the rain falls for 284.9 days and collects up to 1521mm (59.88") of precipitation.

Daylight

With an average of 11h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:14 and sunset at 18:07. On the last day of December, sunrise is at 06:28 and sunset at 18:20 WAT.

Sunshine

December has the most sunshine of the year, with an average of 9.9h of sunshine.

UV index

The months with the highest UV index are January through May, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Updated: Jun 17, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Njombé, the average high-temperature is 33.8°C (92.8°F), and the average low-temperature is 21.1°C (70°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in December is computed to be 43°C (109.4°F).

In December, the average relative humidity is 63%.

In Njombé, Cameroon, during December, the rain falls for 9.8 days and regularly aggregates up to 20mm (0.79") of precipitation.

December has the shortest days of the year, with an average of 11h and 54min of daylight.

The average day length in December is 11h and 52min.

In December, on the first day of the month, sunrise is at 06:14 and sunset at 18:07. On the last day of the month, sunrise is at 06:28 and sunset at 18:20 WAT.

The month with the most sunshine is December, with an average of 9.9h of sunshine.

In December, the average sunshine duration is 9.9h.

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

In December, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high hazard to health 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

32°C

33.8°C

34.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.2km/h

4.8km/h

5.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

4.3

14.3

14.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Njombé, Cameroon

Average high temperature in December: 33.8°C

The warmest month (with the highest average high temperature) is February (34.9°C).
The months with the lowest average high temperature are July and August (28.3°C).

Average low temperature in December: 21.1°C

The month with the highest average low temperature is March (22.2°C).
The coldest months (with the lowest average low temperature) are January and July (20.9°C).

Average pressure in December
Njombé, Cameroon

Average pressure in December: 1010.9mbar

The month with the highest atmospheric pressure is July (1013.9mbar).
The months with the lowest atmospheric pressure are February and March (1010.1mbar).

Average wind speed in December
Njombé, Cameroon

Average wind speed in December: 4.2km/h

The windiest month (with the highest average wind speed) is January (4.7km/h).
The calmest months (with the lowest average wind speed) are May, June, July, October and November (3.7km/h).

Average humidity in December
Njombé, Cameroon

Average humidity in December: 63%

The months with the highest relative humidity are July and August (83%).
The month with the lowest relative humidity is January (62%).

Average rainfall in December
Njombé, Cameroon

Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is July (264mm).
The driest month (with the least rainfall) is January (16mm).

Average rainfall days in December
Njombé, Cameroon

Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (29.4 days).
The month with the least rainy days is January (9.7 days).

Average daylight in December /
Average sunshine in December
Njombé, Cameroon

Average daylight in December: 11h and 54min

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).

Average sunshine in December: 9h and 54min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 6h and 54min).

Average sunshine days in December
Njombé, Cameroon

Average sunshine days in December: 14.3 days

The month with the most sunshine days is December (14.3 days).
The month with the least sunshine days is September (0.4 days).

Average UV index in December
Njombé, Cameroon

Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are June, July, August and September (UV index 6).