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
Transition into December marks a drop in the average high-temperature, moving from a wintry 41.9°F (5.5°C) in November to a subzero cold 30.6°F (-0.8°C). Throughout December, West Hartford encounters an average temperature drop to a still freezing cold 20.8°F (-6.2°C).Humidity
The average relative humidity in December is 83%.Rainfall
In West Hartford, Vermont, in December, during 6.6 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in West Hartford, there are 103.4 rainfall days, and 10.08" (256mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In West Hartford, in December, during 7.6 snowfall days, 1.97" (50mm) of snow is typically accumulated. In West Hartford, during the entire year, snow falls for 42.7 days and aggregates up to 9.76" (248mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:22 pm EST.
Sunshine
In West Hartford, the average sunshine in December is 4h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 in December translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does West Hartford have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in West Hartford?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
West Hartford, VT
- Average high temperature in December: 30.6°F
The warmest month (with the highest average high temperature) is July (77.9°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 (56.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
West 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
West Hartford, VT
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
West Hartford, VT
- Average humidity in December: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
West Hartford, VT
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is March (0.55").
Average rainfall days in December
West Hartford, VT
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
West Hartford, VT
- Average snowfall in December: 1.97"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Hartford, VT
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is February (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West 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 30min).
Average sunshine days in December
West Hartford, VT
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is July (15.6 days).
Average UV index in December
West 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 months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
West Hartford, VT
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
West Hartford, VT
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
West Hartford, Vermont, USA
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