December weather forecastJacksonville, VT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Jacksonville, Vermont, with an average temperature fluctuating between 31.3°F (-0.4°C) and 21.4°F (-5.9°C).Temperature
As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a wintry 42.1°F (5.6°C) to a subzero cold 31.3°F (-0.4°C). During the nights in December, an average low-temperature of 21.4°F (-5.9°C) is observed.Humidity
The average relative humidity in December is 85%.Rainfall
In Jacksonville, Vermont, in December, during 11.7 rainfall days, 3.78" (96mm) of precipitation is typically accumulated. In Jacksonville, Vermont, during the entire year, the rain falls for 170.8 days and collects up to 39.33" (999mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Jacksonville, Vermont, it is snowing for 13.9 days. Throughout December, 8.31" (211mm) of snow is accumulated. Throughout the year, there are 78.9 snowfall days, and 54.96" (1396mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:18 pm. On the last day of December, in Jacksonville, sunrise is at 7:21 am and sunset at 4:27 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jacksonville, VT
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in December
Jacksonville, 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
Jacksonville, VT
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Jacksonville, VT
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Jacksonville, VT
- Average rainfall in December: 3.78"
The wettest month (with the highest rainfall) is October (3.86").
The driest months (with the least rainfall) are March and September (2.83").
Average rainfall days in December
Jacksonville, VT
- Average rainfall days in December: 11.7 days
The months with the highest number of rainy days are June and July (18.1 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Jacksonville, VT
- Average snowfall in December: 8.31"
The month with the highest snowfall is February (13.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jacksonville, VT
- Average snowfall days in December: 13.9 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jacksonville, 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: 3h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Jacksonville, VT
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (8 days).
Average UV index in December
Jacksonville, VT
- Average UV index in December: 1
The months with the highest UV index are 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
Jacksonville, VT
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Jacksonville, VT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
