December weather forecastJamaica, VT
December
Weather in December
December, the first month of the winter in Jamaica, is also a subzero cold month, with an average temperature ranging between max 30.9°F (-0.6°C) and min 21°F (-6.1°C).Temperature
Arrival of December comes with a reduction in the average high-temperature, falling from a wintry 42.1°F (5.6°C) in November to a freezing cold 30.9°F (-0.6°C). An average temperature of 21°F (-6.1°C) is recorded during the nights in December.Humidity
In Jamaica, the average relative humidity in December is 84%.Rainfall
In Jamaica, in December, it is raining for 9.5 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, there are 133 rainfall days, and 12.95" (329mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Jamaica. In Jamaica, in December, snow falls for 11.5 days, with typically accumulated 3.19" (81mm) of snow. In Jamaica, during the entire year, snow falls for 62.9 days and aggregates up to 18.11" (460mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:03 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:26 pm EST.
Sunshine
In Jamaica, the average sunshine in December is 4h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jamaica, VT
- Average high temperature in December: 30.9°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in December
Jamaica, VT
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Jamaica, VT
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Jamaica, VT
- Average humidity in December: 84%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Jamaica, VT
- Average rainfall in December: 1.18"
The wettest months (with the highest rainfall) are April and October (1.26").
The driest month (with the least rainfall) is March (0.79").
Average rainfall days in December
Jamaica, VT
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (14.6 days).
The months with the least rainy days are January and February (7.3 days).
Average snowfall in December
Jamaica, VT
- Average snowfall in December: 3.19"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jamaica, VT
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jamaica, VT
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Jamaica, VT
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in December
Jamaica, VT
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Jamaica, VT
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Jamaica, VT
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
