December weather forecast
Morne Rouge, Grenada

Morne Rouge, Grenada’s December weather sees rainfall decrease moderately to 138mm (5.43"), concluding the year on a less wet note than most preceding months. The daylight availability shrinks further to approximately 11.4 hours, perfectly balancing day and night durations. The UV index draws back to 9, providing a slight sunburn risk reduction. The sea continues to maintain its warmth, making maritime recreation viable. Thus, the year terminates maintaining the tropical temperature pattern undeterred.

Temperature

January through March and December are the coldest months in Morne Rouge, with an average high-temperature of 29°C (84.2°F).

Rainfall

In Morne Rouge, in December, it is raining for 18 days, with typically 138mm (5.43") of accumulated precipitation. In Morne Rouge, during the entire year, the rain falls for 180 days and collects up to 1594mm (62.76") of precipitation.

Sea temperature

January through April and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

December has the shortest days of the year in Morne Rouge, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 06:12 and sunset at 17:40. On the last day of December, sunrise is at 06:27 and sunset at 17:53 AST.

Sunshine

June, July, September through December, with an average of 7h of sunshine, are months with the least sunshine in Morne Rouge.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 9. A UV Index value of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 9 in December translates into the following recommendations:
Be sure to take precautions. Without protection, skin might suffer damage quickly. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Regardless of the cloudiness of the day, a sunscreen with SPF 30 or more should be applied and reapplied generously, specifically after swimming or outdoor exercise. Take note! The UV strength of the Sun elevates when reflected off water and sand.