December weather forecastJui, Sierra Leone
December
Weather in December
December, the first month of the winter in Jui, is also a hot month, with an average temperature varying between 31°C (87.8°F) and 24.5°C (76.1°F).Temperature
At the start of December, Jui's average high-temperature reaches a still hot 31°C (87.8°F), subtly different from the preceding month. Throughout December, the average low-temperature records at a warm 24.5°C (76.1°F).Heat index
The heat index for December is evaluated at a very hot 37°C (98.6°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In December, the average relative humidity is 69%.Rainfall
In December, in Jui, the rain falls for 4 days. Throughout December, 7mm (0.28") of precipitation is accumulated. Throughout the year, there are 205.9 rainfall days, and 1507mm (59.33") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 11h and 36min of daylight.On the first day of the month, sunrise is at 06:51 and sunset at 18:31. On the last day of December, sunrise is at 07:06 and sunset at 18:45 GMT.
Sunshine
In December, the average sunshine in Jui is 9.7h.UV index
The months with the highest UV index in Jui, Sierra Leone, are January through June, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 7 transforms into the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jui, 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
Jui, 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
Jui, 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
Jui, 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
Jui, 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
Jui, 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
Jui, 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
Jui, 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
Jui, 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
Jui, 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
Jui, 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).





