Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's onset brings a slight change in high-temperatures, falling from an icy 42.1°F (5.6°C) in November to a subzero cold 30.6°F (-0.8°C). An average low-temperature of 20.8°F (-6.2°C) marks the month of December in Hartford.Humidity
In Hartford, the average relative humidity in December is 83%.Rainfall
In Hartford, during December, the rain falls for 11.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Hartford, during the entire year, the rain falls for 161.9 days and collects up to 28.46" (723mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Hartford, it is snowing for 12 days. Throughout December, 6.46" (164mm) of snow is accumulated. In Hartford, during the entire year, snow falls for 68.9 days and aggregates up to 35.91" (912mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:22 pm EST.
Sunshine
In December, the average sunshine in Hartford is 4h.UV index
December is the month with the lowest UV index in Hartford, Vermont, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Hartford in December?
What is the average humidity in December in Hartford?
How many days does it rain in December in Hartford?
How many days does it snow in December in Hartford?
What is the month with the shortest days in Hartford?
How many hours of daylight does Hartford have in December?
When are sunrise and sunset in December in Hartford?
How many hours of sunshine does Hartford have in December?
When is the lowest UV index in Hartford?
What is the UV index intensity in December in Hartford?
Average temperature in December
Hartford, VT
- Average high temperature in December: 30.6°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
Hartford, VT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hartford, VT
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Hartford, VT
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Hartford, VT
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Hartford, VT
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Hartford, VT
- Average snowfall in December: 6.46"
The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hartford, VT
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hartford, VT
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Hartford, VT
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in December
Hartford, VT
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Hartford, VT
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Hartford, VT
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
Hartford, Vermont, USA
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