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 notes an average high-temperature of a still tropical 31.4°C (88.5°F) in December, displaying minor variation from November. December nights are marked by an average low-temperature of 22.9°C (73.2°F).

Rainfall

In Antisiranana, during December, the rain falls for 10 days and regularly aggregates up to 171mm (6.73") of precipitation. Throughout the year, there are 84 rainfall days, and 1197mm (47.13") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 28°C (82.4°F).
Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

With an average of 12h and 48min of daylight, December has the longest days of the year.
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 Antisiranana, the average sunshine in December is 7.4h.

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 extreme threat to health from unsafe exposure to UV radiation for the average 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. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Use liberally and reapply a broad-spectrum sunscreen with at least SPF 30 every two hours and right after outdoor activities or a swim. Caution! The Sun's UV rays become stronger due to reflections from water and sand.