December weather forecastMapenya, Kenya

Weather in December

December, the first month of the summer in Mapenya, is still a tropical month, with an average temperature varying between 25.5°C (77.9°F) and 30.5°C (86.9°F).

Temperature

With December's arrival, Mapenya's weather records an average high-temperature of a still tropical 30.5°C (86.9°F), marking little difference from November's 30.1°C (86.2°F). Mapenya's December nights exhibit a subtle drop in temperature, averaging at a moderately hot 25.5°C (77.9°F), closely aligned with the daytime highs.

Heat index

In December, the heat index is appraised at a very hot 38°C (100.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Heat index determinations are made taking into account the shade and light air movements. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering 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. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

In Mapenya, the average relative humidity in December is 76%.

Rainfall

In Mapenya, in December, it is raining for 21.6 days, with typically 77mm (3.03") of accumulated precipitation. In Mapenya, during the entire year, the rain falls for 192.5 days and collects up to 641mm (25.24") of precipitation.

Daylight

December has the longest days of the year, with an average of 12h and 18min of daylight.
On the first day of December, sunrise is at 05:58 and sunset at 18:13. On the last day of the month, sunrise is at 06:12 and sunset at 18:28 EAT.

Sunshine

In Mapenya, the average sunshine in December is 9.4h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Mapenya. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 7 in December translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.