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 corresponds with a reduction in the average high-temperature, down from November's icy 40.8°F (4.9°C) to a freezing cold 29.8°F (-1.2°C). The average low-temperature of 20.1°F (-6.6°C) is witnessed during December.Humidity
In December, the average relative humidity is 84%.Rainfall
In Killington, during December, the rain falls for 9 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Killington, during the entire year, the rain falls for 156.1 days and collects up to 29.09" (739mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 17.7 days. Throughout December, 8.23" (209mm) of snow is accumulated. Throughout the year, there are 93.2 snowfall days, and 58.35" (1482mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:05 am and sunset at 4:15 pm. On the last day of December, in Killington, sunrise is at 7:24 am and sunset at 4:24 pm EST.
Sunshine
In Killington, the average sunshine in December is 3.6h.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 low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Direct Sun exposure should be minimized especially during midday when radiation is most intense. During bright days, sunglasses that offer UVA and UVB defense are recommended. 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 it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Killington have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Killington, VT
- Average high temperature in December: 29.8°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 (24.3°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in December
Killington, 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 (29.91"Hg).
Average wind speed in December
Killington, VT
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Killington, VT
- Average humidity in December: 84%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Killington, VT
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Killington, VT
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Killington, VT
- Average snowfall in December: 8.23"
The month with the highest snowfall is February (12.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Killington, VT
- Average snowfall days in December: 17.7 days
The month with the highest number of snowfall days is February (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Killington, 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: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Killington, VT
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Killington, 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
Killington, VT
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Killington, VT
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Killington, Vermont, USA
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