December weather forecastBerkshire, VT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Berkshire, Vermont, with temperature in the range of an average high of 28.8°F (-1.8°C) and an average low of 18.3°F (-7.6°C).Temperature
During Berkshire's transition into December, the average high-temperature lessens, moving from a cold 40.3°F (4.6°C) in November to a freezing cold 28.8°F (-1.8°C). The average low-temperature during December nights is 18.3°F (-7.6°C).Humidity
In December, the average relative humidity in Berkshire is 87%.Rainfall
In Berkshire, during December, the rain falls for 10.3 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Berkshire, during the entire year, the rain falls for 168.6 days and collects up to 33.82" (859mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Berkshire, in December, snow falls for 18.5 days, with typically accumulated 9.92" (252mm) of snow. In Berkshire, Vermont, during the entire year, snow falls for 99.8 days and aggregates up to 61.54" (1563mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December in Berkshire, sunrise is at 7:09 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:19 pm EST.
Sunshine
In Berkshire, Vermont, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Berkshire, VT
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in December
Berkshire, VT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Berkshire, VT
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Berkshire, VT
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Berkshire, VT
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are February and September (2.28").
Average rainfall days in December
Berkshire, VT
- Average rainfall days in December: 10.3 days
The months with the highest number of rainy days are June and July (19.4 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Berkshire, VT
- Average snowfall in December: 9.92"
The month with the highest snowfall is January (14.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Berkshire, VT
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Berkshire, VT
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Berkshire, VT
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (6.1 days).
Average UV index in December
Berkshire, 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 January and December (UV index 1).
Average cloud cover in December
Berkshire, VT
- Average cloud cover in December: 71
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Berkshire, VT
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
