February weather forecast
Cayenne, French Guiana

In Cayenne, French Guiana, the weather in February reveals slight shifts in the climate. Hot and rainfall-laden trends from January persist, yet tropical thunderstorms lessen in frequency. The rainfall does not significantly disrupt the sea's temperature, continuing to invite individuals for a warm, relaxing swim. Daylight increases marginally and further brightens up the atmosphere. A drop of rainfall to 309mm (12.17") distinctively sets February apart from its predecessor month.

Temperature

February's climate shows a minor adjustment in average high-temperatures to a still moderately hot 29.2°C (84.6°F) from January's 29.1°C (84.4°F). During February, the nighttime temperature in Cayenne averages to a still warm 23.4°C (74.1°F).

Rainfall

In Cayenne, during February, the rain falls for 20 days and regularly aggregates up to 309mm (12.17") of precipitation. In Cayenne, during the entire year, the rain falls for 221.1 days and collects up to 3516mm (138.43") of precipitation.

Sea temperature

February is the month with the coldest seawater, with an average sea temperature of 27.3°C (81.1°F).
Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.

Daylight

The average length of the day in February is 11h and 58min.
On the first day of February, sunrise is at 06:45 and sunset at 18:40. On the last day of the month, sunrise is at 06:40 and sunset at 18:42 -03.

Sunshine

The average sunshine in February is 3.2h.

UV index

The months with the highest UV index are January through June, August through November, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 12 during February translates into the following directions:
Implement all key precautions. Warding off sun damage is critical. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity. Take caution! The UV rays from the Sun gain strength from sand and water reflections.