December weather forecast
Arusha, Tanzania

The year ends in Arusha with December recording a slight decrease in rainfall from November. The month is characterised with temperatures stably rivalling those in the previous November, an uncommon occurrence in this tropical city. The UV index remains remarkably high along with a steady level of daylight. The weather maintains these steady elements experienced during the past few months, attributing to a consistent December climate.

Temperature

The advent of December brings an average high-temperature of a still warm 27°C (80.6°F), exhibiting minor difference from the previous month. Arusha experiences a significant downturn from peak daytime temperatures throughout December, with the average low-temperature dipping to a fresh 10°C (50°F).

Rainfall

In December, the rain falls for 13 days. Throughout December, 100mm (3.94") of precipitation is accumulated. In Arusha, during the entire year, the rain falls for 113 days and collects up to 1237mm (48.7") of precipitation.

Daylight

The month with the longest days in Arusha is December, with an average of 12h and 18min of daylight.
On the first day of the month, sunrise is at 06:13 and sunset at 18:31. On the last day of December, in Arusha, sunrise is at 06:26 and sunset at 18:45 EAT.

Sunshine

In December, the average sunshine is 8h.

UV index

January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an excessive health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily maximum UV index of 12 leads to the following instructions:
Ensure every crucial precaution is taken. Individuals with light skin could experience burns in under 5 minutes. 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. Enhance your sun protection with tightly woven, yet airy clothing.