December weather forecastMatoto, Sierra Leone
December
Weather in December
The first month of the winter, December, is still a tropical month in Matoto, Sierra Leone, with an average temperature varying between 18.5°C (65.3°F) and 33.4°C (92.1°F).Temperature
Matoto observes an average high-temperature of a still tropical 33.4°C (92.1°F) in December, barely different from 32°C (89.6°F) in November. Matoto's average nighttime temperatures present a clear contrast to its daytime highs, measured at a refreshing 18.5°C (65.3°F) in December.Heat index
For December, the heat index is appraised at a fiery hot 37°C (98.6°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
The average relative humidity in December is 51%.Rainfall
In Matoto, in December, during 2.7 rainfall days, 7mm (0.28") of precipitation is typically accumulated. Throughout the year, in Matoto, there are 209.7 rainfall days, and 1688mm (66.46") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 36min of daylight.On the first day of December in Matoto, Sierra Leone, sunrise is at 06:51 and sunset at 18:28. On the last day of the month, sunrise is at 07:06 and sunset at 18:41 GMT.
Sunshine
The months with the most sunshine in Matoto are January through March and December, with an average of 9.9h of sunshine.UV index
The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 6 during December, leads to the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Matoto, Sierra Leone
- Average high temperature in December: 33.4°C
The warmest month (with the highest average high temperature) is March (39.2°C).
The month with the lowest average high temperature is August (26.8°C).
- Average low temperature in December: 18.5°C
The month with the highest average low temperature is May (22.8°C).
The coldest month (with the lowest average low temperature) is January (18.1°C).
Average pressure in December
Matoto, Sierra Leone
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is July (1014mbar).
The months with the lowest atmospheric pressure are March and April (1010.5mbar).
Average wind speed in December
Matoto, Sierra Leone
- Average wind speed in December: 4.3km/h
The windiest month (with the highest average wind speed) is April (5.5km/h).
The calmest month (with the lowest average wind speed) is October (3.4km/h).
Average humidity in December
Matoto, Sierra Leone
- Average humidity in December: 51%
The month with the highest relative humidity is August (94%).
The month with the lowest relative humidity is January (43%).
Average rainfall in December
Matoto, Sierra Leone
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is August (436mm).
The driest months (with the least rainfall) are January and February (1mm).
Average rainfall days in December
Matoto, Sierra Leone
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is August (30.8 days).
The month with the least rainy days is February (0.8 days).
Average daylight in December /
Average sunshine in December
Matoto, Sierra Leone
- Average daylight in December: 11h and 36min
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 36min).
- Average sunshine in December: 9h and 54min
The months with the most sunshine are January, February, March and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 3h and 48min).
Average sunshine days in December
Matoto, Sierra Leone
- Average sunshine days in December: 27.5 days
The month with the most sunshine days is January (29.7 days).
The months with the least sunshine days are August and September (0.1 days).
Average UV index in December
Matoto, Sierra Leone
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April and November (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in December
Matoto, Sierra Leone
- Average cloud cover in December: 10
The month with the most cloud cover is August (Cloud cover 82).
The month with the least cloud cover is February (Cloud cover 9).
Average visibility in December
Matoto, Sierra Leone
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are July, August and September (6km).
