December weather forecastWilberforce, Sierra Leone
December
Weather in December
December concludes the year in Wilberforce with the full onset of the dry season. Weather conditions revert to the mild state synonymous with the beginning of the year, with temperatures peaking at 31°C (87.8°F). Rainfall significantly decreases to 7mm (0.28"), plummeting from the high figures of the wet season. The diminished rainfall, low cloud cover, and moderate winds give way to an increase in sunshine hours. Consequently, December brings cheer to Wilberforce with a sunny and dry climate just in time for end-year festivities.Temperature
Stepping into December, Wilberforce records an average high-temperature of a still tropical 31°C (87.8°F), almost consistent with November. The average low-temperature, in December, in Wilberforce, is a moderately hot 24.5°C (76.1°F).Heat index
December's heat index is computed to be a sweltering 37°C (98.6°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
In December, the average relative humidity in Wilberforce is 69%.Rainfall
In Wilberforce, in December, during 4 rainfall days, 7mm (0.28") of precipitation is typically accumulated. In Wilberforce, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.Daylight
The month with the shortest days is December, with an average of 11h and 36min of daylight.On the first day of December, sunrise is at 06:52 and sunset at 18:32. On the last day of the month, sunrise is at 07:07 and sunset at 18:45 GMT.
Sunshine
In Wilberforce, the average sunshine in December is 9.7h.UV index
The months with the highest UV index in Wilberforce are January through June, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 7 during December leads to these advisories:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wilberforce, Sierra Leone
- Average high temperature in December: 31°C
The warmest month (with the highest average high temperature) is January (31.4°C).
The month with the lowest average high temperature is August (27.3°C).
- Average low temperature in December: 24.5°C
The month with the highest average low temperature is May (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).
Average pressure in December
Wilberforce, Sierra Leone
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is July (1013.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).
Average wind speed in December
Wilberforce, Sierra Leone
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is August (12km/h).
The calmest month (with the lowest average wind speed) is November (6.8km/h).
Average humidity in December
Wilberforce, Sierra Leone
- Average humidity in December: 69%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).
Average rainfall in December
Wilberforce, Sierra Leone
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is August (391mm).
The driest month (with the least rainfall) is February (1mm).
Average rainfall days in December
Wilberforce, Sierra Leone
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (0.8 days).
Average daylight in December /
Average sunshine in December
Wilberforce, Sierra Leone
- Average daylight in December: 11h and 36min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in December: 9h and 42min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).
Average sunshine days in December
Wilberforce, Sierra Leone
- Average sunshine days in December: 25.5 days
The month with the most sunshine days is January (29 days).
The month with the least sunshine days is August (0.5 days).
Average UV index in December
Wilberforce, Sierra Leone
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in December
Wilberforce, Sierra Leone
- Average cloud cover in December: 12
The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is February (Cloud cover 11).
Average visibility in December
Wilberforce, Sierra Leone
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





