December weather forecast
Montego Bay, Jamaica

December gives Montego Bay a respite from high rainfall as it falls to a manageable 87mm (3.43"). It marks the onset of a notably drier and cooler phase, setting the stage for the upcoming year's weather patterns. Lower temperatures and sea temperatures continue the trend of transitioning towards more moderate conditions. Despite the seasonal shift, sunshine hours remain sufficient to enjoy the city's beaches and various outdoor activities. The lowering UV index to 8 indicates eased solar radiation, giving sunbathers a break.

Temperature

Montego Bay in December records a high-temperature average of a still tropical 30°C (86°F), on par with November. Montego Bay usually reports an average low-temperature of 21°C (69.8°F) during the month of December.

Rainfall

In Montego Bay, in December, during 9 rainfall days, 87mm (3.43") of precipitation is typically accumulated. Throughout the year, there are 128 rainfall days, and 1942mm (76.46") of precipitation is accumulated.

Sea temperature

In Montego Bay, in December, the average water temperature is 28.3°C (82.9°F).
Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

With an average of 11h and 0min of daylight, December has the shortest days of the year in Montego Bay.
On the first day of the month, sunrise is at 06:27 and sunset at 17:33. On the last day of December, in Montego Bay, sunrise is at 06:43 and sunset at 17:46 EST.

Sunshine

The average sunshine in December is 7h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 8. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 8 in December suggests the following recommendations:
Be sure to take precautions. Without protection, skin might suffer damage quickly. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! The reflection of sand and water increases the UV dose.