December weather forecastCayo Coco, Cuba

December
Weather in December
December ushers in the winter season in Cayo Coco, causing the temperature to drop further, ranging between 18°C (64.4°F) and 28°C (82.4°F). The rainfall decreases to its annual low of 42mm (1.65"), making the month drier and suitable for outdoor activities. The UV index dips to its lowest point, making the sun much less harsh. Sea temperature also recedes a bit, yet stays comfortable for sea-lovers. With 10.8 hours of daylight, the days are shorter, projecting the gradual drift of winter.Temperature
In December, the average high-temperature registers at a still warm 28°C (82.4°F), nearly identical to November's 29°C (84.2°F). Throughout the month of December, the average temperature in Cayo Coco dips to an enjoyable 18°C (64.4°F) at night.Rainfall
The month with the least rainfall in Cayo Coco is December, when the rain falls for 7 days and typically collects 42mm (1.65") of precipitation.Sea temperature
In December, the average sea temperature in Cayo Coco is 26°C (78.8°F).Note: Swimming, diving, and other water-related activities in temperatures between 25°C (77°F) and 29°C (84.2°F) are considered highly enjoyable and satisfying for longer durations without uneasiness.
Daylight
December has the shortest days of the year, with an average of 10h and 48min of daylight.On the first day of the month, sunrise is at 06:37 and sunset at 17:28. On the last day of December, in Cayo Coco, sunrise is at 06:53 and sunset at 17:40 CST.
Sunshine
January, February, June, September through December, with an average of 7h of sunshine, are months with the least sunshine in Cayo Coco.UV index
With an average maximum UV index of 6, December is the month with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 6 suggests these recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cayo Coco, Cuba
- Average high temperature in December: 28°C
The warmest months (with the highest average high temperature) are July and August (33°C).
The month with the lowest average high temperature is January (27°C).
- Average low temperature in December: 18°C
The months with the highest average low temperature are June, July, August and September (23°C).
The coldest month (with the lowest average low temperature) is January (17°C).
Average rainfall in December
Cayo Coco, Cuba
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is October (184mm).
The driest month (with the least rainfall) is December (42mm).
Average rainfall days in December
Cayo Coco, Cuba
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is October (16 days).
The months with the least rainy days are February and April (5 days).
Average sea temperature in December
Cayo Coco, Cuba
- Average sea temperature in December: 26°C
The best months for swimming (with the highest average sea temperature) are June, July, August, September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (25°C).
Average daylight in December /
Average sunshine in December
Cayo Coco, Cuba
- Average daylight in December: 10h and 48min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in December: 7h
The month with the most sunshine is April (Average sunshine: 9h).
The months with the least sunshine are January, February, June, September, October, November and December (Average sunshine: 7h).
Average UV index in December
Cayo Coco, Cuba
- Average UV index in December: 6
The months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).








