December weather forecastSembe, Congo

Weather in December

December, the first month of the winter in Sembe, is a tropical month, with an average temperature fluctuating between 19.8°C (67.6°F) and 31.8°C (89.2°F).

Temperature

December's arrival shows an average high-temperature of a tropical 31.8°C (89.2°F), hardly different from the previous month. December presents a pronounced difference from daytime highs, with a consistent average low-temperature of 19.8°C (67.6°F).

Heat index

For most parts of December, the heat index is estimated at a fiery hot 39°C (102.2°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The average relative humidity in December is 69%.

Rainfall

In Sembe, during December, the rain falls for 16.5 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 301.4 rainfall days, and 1535mm (60.43") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 12h and 0min of daylight.
On the first day of December, sunrise is at 05:49 and sunset at 17:51. On the last day of the month, sunrise is at 06:03 and sunset at 18:05 WAT.

Sunshine

In December, the average sunshine in Sembe is 9h.

UV index

In December, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 during December translates into the following guidance:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.