December weather forecast
Diani Beach, Kenya

As the year wraps up, December brings in a slight decrease of 66mm (2.6") rainfall from the last month. Diani Beach, Kenya continues to be a warm paradise, true to its tropical character. The stable climate and welcoming sea temperature make it an excellent location for end-of-the-year parties and festivities. The weather is appropriately balanced allowing for multiple outdoor activities and events.

Temperature

The transition from November to December in Diani Beach brings an average high-temperature of a still hot 32°C (89.6°F), barely different from November's 31°C (87.8°F). An average low-temperature of 23°C (73.4°F) is expected during December.

Rainfall

In Diani Beach, in December, during 12 rainfall days, 66mm (2.6") of precipitation is typically accumulated. In Diani Beach, during the entire year, the rain falls for 140 days and collects up to 1121mm (44.13") of precipitation.

Sea temperature

In Diani Beach, in December, the average water temperature is 28°C (82.4°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The month with the longest days is December, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 06:00 and sunset at 18:21. On the last day of December, in Diani Beach, sunrise is at 06:13 and sunset at 18:35 EAT.

Sunshine

In December, the average sunshine in Diani Beach, Kenya, is 9h.

UV index

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an excessive health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 12 in December translates into the following recommendations:
Put into effect every essential safeguard, as unprotected skin and eyes might burn instantly. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Even if it's cloudy, generously apply and frequently reapply a sunscreen with no less than a 30 sun protection factor after each swim or outdoor exercise. Caution! The Sun's UV rays become stronger due to reflections from water and sand.