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
The arrival of December indicates a decrease in the average high-temperature, moving from a chilly 44.1°F (6.7°C) in November to a wintry 32.9°F (0.5°C). The temperature lowers to an average of 22.3°F (-5.4°C) during December nights.Humidity
In Westminster, the average relative humidity in December is 82%.Rainfall
In December, the rain falls for 7.1 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. In Westminster, during the entire year, the rain falls for 113.5 days and collects up to 16.77" (426mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Westminster, Vermont, in December, during 4.8 snowfall days, 3.31" (84mm) of snow is typically accumulated. In Westminster, during the entire year, snow falls for 31 days and aggregates up to 16.22" (412mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Westminster, Vermont.On the first day of the month, sunrise is at 7:02 am and sunset at 4:16 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:25 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Westminster?
What is the average length of the day in December?
When are sunrise and sunset in December in Westminster?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December in Westminster?
Average temperature in December
Westminster, VT
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 22.3°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 (14.5°F).
Average pressure in December
Westminster, 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
Westminster, VT
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Westminster, VT
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Westminster, VT
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is October (1.77").
The driest months (with the least rainfall) are January and March (1.06").
Average rainfall days in December
Westminster, VT
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Westminster, VT
- Average snowfall in December: 3.31"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Westminster, VT
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westminster, VT
- Average daylight in December: 9h and 1min
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 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Westminster, VT
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are April and June (16 days).
Average UV index in December
Westminster, VT
- Average UV index in December: 2
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, March, October, November and December (UV index 2).
Average cloud cover in December
Westminster, VT
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Westminster, VT
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Westminster, Vermont, USA
Weather forecast for your location
2. Allow the app to use your location