December weather forecastKissy, Sierra Leone
December
Weather in December
December, the first month of the winter in Kissy, is still a tropical month, with an average temperature ranging between min 24.5°C (76.1°F) and max 31°C (87.8°F).Temperature
Kissy notes an average high-temperature of a still hot 31°C (87.8°F) in December, displaying minor variation from November. The nighttime temperature dips to a moderately hot 24.5°C (76.1°F) on average during December.Heat index
The heat index value for December is computed to be a very hot 37°C (98.6°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The average relative humidity in December in Kissy is 69%.Rainfall
In December, in Kissy, the rain falls for 4 days. Throughout December, 7mm (0.28") of precipitation is accumulated. Throughout the year, in Kissy, Sierra Leone, there are 205.9 rainfall days, and 1507mm (59.33") of precipitation is accumulated.Daylight
With an average of 11h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 06:51 and sunset at 18:31. On the last day of the month, sunrise is at 07:06 and sunset at 18:45 GMT.
Sunshine
In Kissy, the average sunshine in December is 9.7h.UV index
The months with the highest UV index in Kissy 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 daily high UV index of 7 in December translates into this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kissy, 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
Kissy, 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
Kissy, 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
Kissy, 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
Kissy, 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
Kissy, 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
Kissy, 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
Kissy, 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
Kissy, 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
Kissy, 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
Kissy, 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).





