December weather forecast
Antisiranana, Madagascar

In December, temperatures in Antsiranana begin to stabilize around average highs of 31.4°C (88.5°F). The city witnesses a sharp spike in rainfall, a clear indication of the onset of the wet season. Despite the heavy showers, the sea remains inviting with its warm temperatures. The city receives its longest daylight hours, contributing to the festive mood. Although the UV index shows no change, it further strengthens the need for sun protection at all times.

Temperature

Antisiranana, Madagascar, experiences a transition to a still hot 31.4°C (88.5°F) in average high-temperatures with the arrival of December, not greatly differing from November's 31.5°C (88.7°F). Nighttime temperature experiences an average drop to an agreeable 22.9°C (73.2°F) in December.

Rainfall

In Antisiranana, during December, the rain falls for 10 days and regularly aggregates up to 171mm (6.73") of precipitation. In Antisiranana, Madagascar, during the entire year, the rain falls for 84 days and collects up to 1197mm (47.13") of precipitation.

Sea temperature

In Antisiranana, the average seawater temperature in December is 28°C (82.4°F).
Note: In water activities such as swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed highly pleasurable for extended periods without any unease.

Daylight

With an average of 12h and 48min of daylight, December has the longest days of the year in Antisiranana.
On the first day of the month, sunrise is at 05:08 and sunset at 17:55. On the last day of December, sunrise is at 05:20 and sunset at 18:11 EAT.

Sunshine

In December, the average sunshine is 7.4h.

UV index

The months with the highest UV index in Antisiranana are January through April, September through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily maximum UV index of 12 leads to the following instructions:
Carry out all crucial safety measures, unprotected skin may burn instantly. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Even on overcast days, a sunscreen with a sun protection factor of no less than 30 should be generously applied and reapplied, particularly after swimming or outdoor activities. Notice! Sand and water reflections contribute to a stronger UV exposure.