December weather forecast
Westfield, VT

Weather in December

The first month of the winter, December, is also a subzero cold month in Westfield, Vermont, with an average temperature fluctuating between 27.5°F (-2.5°C) and 17.4°F (-8.1°C).

Temperature

In Westfield, the average high-temperature in December drops from a cold 38.7°F (3.7°C) in November to a freezing cold 27.5°F (-2.5°C). In December, in Westfield, the average low-temperature is 17.4°F (-8.1°C).

Humidity

The average relative humidity in December in Westfield is 88%.

Rainfall

In Westfield, during 8.2 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Westfield, during the entire year, the rain falls for 156.3 days and collects up to 32.64" (829mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Westfield, snow falls for 20.1 days, with typically accumulated 10.39" (264mm) of snow. In Westfield, Vermont, during the entire year, snow falls for 103.3 days and aggregates up to 62.6" (1590mm) of snow.

Daylight

December has the shortest days of the year in Westfield, with an average of 8h and 51min of daylight.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:10 pm. On the last day of December, in Westfield, sunrise is at 7:27 am and sunset at 4:18 pm EST.

Sunshine

The average sunshine in December in Westfield, Vermont, is 2.7h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Westfield. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Westfield?

In December, the average relative humidity is 88%.

How much does it rain in Westfield in December?

In Westfield, in December, during 8.2 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How many days does it snow in December in Westfield?

In Westfield, in December, during 20.1 snowfall days, 10.39" (264mm) of snow is typically accumulated.

What is the month with the shortest days in Westfield?

December has the shortest days of the year, with an average of 8h and 51min of daylight.

How many hours of daylight does Westfield have in December?

In December, the average day length in Westfield is 8h and 51min.

When is the sunrise / sunset in December in Westfield?

On the first day of December, sunrise is at 7:07 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:18 pm EST.

How long on average sun shines in December in Westfield?

In Westfield, the average sunshine duration in December is 2.7h.

What are the months with the lowest UV index in Westfield?

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Westfield, Vermont.

What is the UV index reading in December in Westfield?

The average daily maximum UV index in December in Westfield is 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Westfield, VT

Average temperature in December - Westfield, VT
  • Average high temperature in December: 27.5°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in December: 17.4°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

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Average pressure in December
Westfield, VT

Average pressure in December - Westfield, 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).

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Average wind speed in December
Westfield, VT

Average wind speed in December - Westfield, VT
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Westfield, VT

Average humidity in December - Westfield, VT
  • Average humidity in December: 88%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (77%).

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Average rainfall in December
Westfield, VT

Average rainfall in December - Westfield, VT
  • Average rainfall in December: 2.68"

The wettest months (with the highest rainfall) are May and June (3.23").
The driest month (with the least rainfall) is February (2.13").

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Average rainfall days in December
Westfield, VT

Average rainfall days in December - Westfield, VT
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in December
Westfield, VT

Average snowfall in December - Westfield, VT
  • Average snowfall in December: 10.39"

The month with the highest snowfall is February (13.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Westfield, VT

Average snowfall days in December - Westfield, VT
  • Average snowfall days in December: 20.1 days

The month with the highest number of snowfall days is February (21.4 days).
The 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
Westfield, VT

Average daylight in December / Average sunshine in December - Westfield, VT
  • Average daylight in December: 8h and 51min

The month with the longest days is June (Average daylight: 15h and 32min).
The month with the shortest days is December (Average daylight: 8h and 51min).

  • Average sunshine in December: 2h and 42min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 0min).

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Average sunshine days in December
Westfield, VT

Average sunshine days in December - Westfield, VT
  • Average sunshine days in December: 7.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (6.2 days).

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Average UV index in December
Westfield, VT

Average UV index in December - Westfield, VT
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in December
Westfield, VT

Average cloud cover in December - Westfield, VT
  • Average cloud cover in December: 75

The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 40).

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Average visibility in December
Westfield, VT

Average visibility in December - Westfield, 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).

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