December weather forecastJamaica, Cuba
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Jamaica, Cuba, with temperature in the range of an average low of 21.2°C (70.2°F) and an average high of 28.3°C (82.9°F).Temperature
December's climate shows a minor adjustment in average high-temperatures to a still moderately hot 28.3°C (82.9°F) from November's 29°C (84.2°F). December brings an average low-temperature of 21.2°C (70.2°F) to Jamaica.Heat index
December's average heat index is appraised at a tropical 33°C (91.4°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In Jamaica, Cuba, the average relative humidity in December is 80%.Rainfall
In Jamaica, in December, it is raining for 11.9 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, in Jamaica, there are 209 rainfall days, and 646mm (25.43") of precipitation is accumulated.Daylight
With an average of 10h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:19 and sunset at 17:19. On the last day of December, sunrise is at 06:35 and sunset at 17:31 CST.
Sunshine
In Jamaica, the average sunshine in December is 7.2h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 6 translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jamaica, Cuba
- Average high temperature in December: 28.3°C
The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (27.9°C).
- Average low temperature in December: 21.2°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is February (20°C).
Average pressure in December
Jamaica, Cuba
- Average pressure in December: 1015.4mbar
The month with the highest atmospheric pressure is January (1016.5mbar).
The month with the lowest atmospheric pressure is October (1012mbar).
Average wind speed in December
Jamaica, Cuba
- Average wind speed in December: 9.8km/h
The windiest months (with the highest average wind speed) are February and December (9.8km/h).
The calmest months (with the lowest average wind speed) are September and October (7.4km/h).
Average humidity in December
Jamaica, Cuba
- Average humidity in December: 80%
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is March (75%).
Average rainfall in December
Jamaica, Cuba
- Average rainfall in December: 24mm
The wettest months (with the highest rainfall) are May and September (95mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in December
Jamaica, Cuba
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is October (23.9 days).
The month with the least rainy days is February (9 days).
Average daylight in December /
Average sunshine in December
Jamaica, Cuba
- Average daylight in December: 10h and 54min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in December: 7h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in December
Jamaica, Cuba
- Average sunshine days in December: 14 days
The month with the most sunshine days is December (14 days).
The month with the least sunshine days is May (4.6 days).
Average UV index in December
Jamaica, Cuba
- Average UV index in December: 6
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).
Average cloud cover in December
Jamaica, Cuba
- Average cloud cover in December: 23
The months with the most cloud cover are May and October (Cloud cover 28).
The months with the least cloud cover are February and August (Cloud cover 21).
Average visibility in December
Jamaica, Cuba
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, November and December (10km).
The months with the lowest visibility are May and October (9km).





