December weather forecast and climate
West Brattleboro, VT

Weather in December

The first month of the winter, December, is also a wintry month in West Brattleboro, Vermont, with average temperature ranging between min 22.6°F (-5.2°C) and max 33.4°F (0.8°C).

Temperature

In December, the average high-temperature decreases, from a chilly 44.4°F (6.9°C) in November, to a cold 33.4°F (0.8°C). The average low-temperature, in West Brattleboro, is 22.6°F (-5.2°C).

Humidity

In West Brattleboro, the average relative humidity is 82%.

Rainfall

In West Brattleboro, during 6.6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 91.5 rainfall days, and 7.8" (198mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 4.8 days. Throughout December, 1.3" (33mm) of snow is accumulated. Throughout the year, in West Brattleboro, there are 28.8 snowfall days, and 7.17" (182mm) of snow is accumulated.

Daylight

With an average of 9.1h of daylight, December has the shortest days of the year.

Sunshine

In December, the average sunshine is 4.9h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 1 translate 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. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in West Brattleboro?

The average high-temperature, in December, in West Brattleboro, Vermont, is 33.4°F (0.8°C), while the average low-temperature is 22.6°F (-5.2°C).

What is the average humidity in December in West Brattleboro?

In West Brattleboro, the average relative humidity in December is 82%.

How much does it rain in West Brattleboro in December?

In West Brattleboro, during December, the rain falls for 6.6 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How much does it snow in West Brattleboro in December?

In West Brattleboro, during December, snow falls for 4.8 days and regularly aggregates up to 1.3" (33mm) of snow.

What is the month with the shortest days in West Brattleboro?

The month with the shortest days in West Brattleboro is December, with an average of 9.1h of daylight.

What is the average length of the day in December in West Brattleboro?

The average length of the day in December in West Brattleboro, Vermont, is 9.1h.

How long on average sun shines in December in West Brattleboro?

In West Brattleboro, the average sunshine in December is 4.9h.

What is the month with the lowest UV index in West Brattleboro?

December is the month with the lowest UV index in West Brattleboro, with an average maximum UV index of 1.

How high is the UV index in December in West Brattleboro?

In West Brattleboro, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
West Brattleboro, VT

Average temperature in December - West Brattleboro, VT
  • Average high temperature in December: 0.8°C

The warmest month (with the highest average high temperature) is July (26.5°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in December: -5.2°C

The month with the highest average low temperature is July (14.9°C).
The coldest month (with the lowest average low temperature) is January (-9.4°C).

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Average pressure in December
West Brattleboro, VT

Average pressure in December - West Brattleboro, VT
  • Average pressure in December: 1017.6mbar

The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

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Average wind speed in December
West Brattleboro, VT

Average wind speed in December - West Brattleboro, VT
  • Average wind speed in December: 11.9km/h

The windiest months (with the highest average wind speed) are January, February and March (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).

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Average humidity in December
West Brattleboro, VT

Average humidity in December - West Brattleboro, 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%).

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Average rainfall in December
West Brattleboro, VT

Average rainfall in December - West Brattleboro, VT
  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is November (22mm).
The driest month (with the least rainfall) is September (11mm).

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Average rainfall days in December
West Brattleboro, VT

Average rainfall days in December - West Brattleboro, VT
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is May (10 days).
Months with the least rainy days are January and February (4.3 days).

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Average snowfall in December
West Brattleboro, VT

Average snowfall in December - West Brattleboro, VT
  • Average snowfall in December: 33mm

The month with the highest snowfall is January (46mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in December
West Brattleboro, VT

Average snowfall days in December - West Brattleboro, VT
  • Average snowfall days in December: 4.8 days

The month with the highest number of snowfall days is February (7.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
West Brattleboro, VT

Average daylight in December / Average sunshine in December - West Brattleboro, VT
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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Average sunshine days in December
West Brattleboro, VT

Average sunshine days in December - West Brattleboro, VT
  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (17.6 days).

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Average UV index in December
West Brattleboro, VT

Average UV index in December - West Brattleboro, VT
  • Average UV index in December: 1

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).

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Average cloud cover in December
West Brattleboro, VT

Average cloud cover in December - West Brattleboro, VT
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in December
West Brattleboro, VT

Average visibility in December - West Brattleboro, VT
  • Average visibility in December: 9km

Months with the highest visibility are April, November and December (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September and October (8km).

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