December weather forecast
Matemba, Congo

The first month of the summer, December, is also a moderately hot month in Matemba, Congo, with an average temperature varying between 21.3°C (70.3°F) and 29°C (84.2°F).

Temperature

In December, Matemba notes an average high-temperature of a still warm 29°C (84.2°F), hardly different from the preceding month. December in Matemba generally records an average low-temperature of 21.3°C (70.3°F).

Heat index

Throughout December, the heat index is estimated at a sweltering 37°C (98.6°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative 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. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. 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.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In December, the average relative humidity in Matemba is 90%.

Rainfall

In Matemba, during December, the rain falls for 30.2 days and regularly aggregates up to 236mm (9.29") of precipitation. Throughout the year, in Matemba, there are 274.1 rainfall days, and 1640mm (64.57") of precipitation is accumulated.

Daylight

With an average of 12h and 18min of daylight, December has the longest days of the year in Matemba, Congo.
On the first day of December in Matemba, sunrise is at 05:54 and sunset at 18:10. On the last day of the month, sunrise is at 06:07 and sunset at 18:24 WAT.

Sunshine

The average sunshine in December in Matemba is 6.2h.

UV index

October through December, with an average maximum UV index of 5, are months with the lowest UV index in Matemba. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 5 suggests these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.