December weather forecast
Fort-de-France Bay, Martinique

With December, a calmer and relaxed weather mood descends on Fort-de-France Bay. The transition from humid to dry season reaches its completion, with the weather becoming visibly cooler and drier. The downward shift in temperature combined with a significant drop in rainfall to 135mm (5.31"), marks the arrival of winter. However, the sea temperature still remains considerably warm, enticing visitors to enjoy beach activities. As Martinique embraces the holiday season, the climate in December perfectly complements the city's festive spirit.

Temperature

The dawn of December sees an average high-temperature of a still warm 28.1°C (82.6°F), subtly contrasting with November's 29°C (84.2°F). Fort-de-France Bay registers a consistent average low-temperature of 22.6°C (72.7°F) during December.

Rainfall

In Fort-de-France Bay, during December, the rain falls for 17.6 days and regularly aggregates up to 135mm (5.31") of precipitation. In Fort-de-France Bay, during the entire year, the rain falls for 198.2 days and collects up to 2021mm (79.57") of precipitation.

Sea temperature

In Fort-de-France Bay, in December, the average water temperature is 27°C (80.6°F).
Note: Ideal surface water temperatures for any water activity fall between 25°C (77°F) and 29°C (84.2°F), offering maximum enjoyment for lengthened periods.

Daylight

December has the shortest days of the year, with an average of 11h and 18min of daylight.
On the first day of the month, sunrise is at 06:13 and sunset at 17:33. On the last day of December, sunrise is at 06:29 and sunset at 17:45 AST.

Sunshine

The average sunshine in December is 6.5h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 8 in December leads to these guidelines:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Attention! UV strength is notably upped by the reflection of sand and water.