January weather forecast
Fort-de-France Bay, Martinique

January in Fort-de-France Bay, Martinique can be best described as a mild start to the year. Daylight is relatively short, initiating the gradual lengthening of days, with sunlight hours increasing progressively from this month onward. The weather gently oscillates between a comfortably warm 21.9°C (71.4°F) to a moderate high of 27.5°C (81.5°F). This is accompanied by frequent rainfall, making the city a mixed bag of sunny and wet days. Pleasant sea temperatures further contribute to the balmy atmosphere that prevails during this month.

Temperature

Fort-de-France Bay's January weather, with an average high temperature of 27.5°C (81.5°F) and an average low temperature of 21.9°C (71.4°F), tends to be the coldest of the year.

Rainfall

In Fort-de-France Bay, in January, during 18.9 rainfall days, 120mm (4.72") of precipitation is typically accumulated. Throughout the year, there are 198.2 rainfall days, and 2021mm (79.57") of precipitation is accumulated.

Sea temperature

In Fort-de-France Bay, the average seawater temperature in January is 27°C (80.6°F).
Note: For swimming, diving, and enjoying other water activities, the range of 25°C (77°F) to 29°C (84.2°F) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.

Daylight

In Fort-de-France Bay, the average length of the day in January is 11h and 23min.
On the first day of January, sunrise is at 06:29 and sunset at 17:46. On the last day of the month, sunrise is at 06:32 and sunset at 18:02 AST.

Sunshine

In January, the average sunshine is 6.6h.

UV index

In January, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 9 in January translates into the following instructions:
Stay protected; otherwise, skin and eyes can suffer rapid damage. 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays. A sunscreen with at least SPF 30 should be used liberally and reapplied frequently on cloudy days, especially after swimming or an outdoor workout. Beware! Reflecting off water and sand, UV rays are much stronger.