December weather forecastBumbuna, Sierra Leone

Weather in December

December, the first month of the winter in Bumbuna, is still a hot month, with an average temperature fluctuating between 33.1°C (91.6°F) and 19.7°C (67.5°F).

Temperature

The arrival of December sees a recorded average high-temperature of a still tropical 33.1°C (91.6°F), showing little divergence from the previous month's conditions. Bumbuna documents a substantial shift from daytime warmth, recording an average nighttime temperature of 19.7°C (67.5°F) in December.

Heat index

The heat index value during December is estimated at a scorching 42°C (107.6°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative 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. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In December, the average relative humidity is 66%.

Rainfall

The month with the least rainfall in Bumbuna is December, when the rain falls for 3.2 days and typically collects 3mm (0.12") 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 06:47 and sunset at 18:25. On the last day of the month, sunrise is at 07:01 and sunset at 18:38 GMT.

Sunshine

In December, the average sunshine is 9.5h.

UV index

The months with the highest UV index are January through April, November and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 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. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.