December weather forecast
Sheffield, VT

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Weather in December

December, the first month of the winter in Sheffield, is still a freezing cold month, with temperature in the range of an average high of 27.7°F (-2.4°C) and an average low of 17.6°F (-8°C).

Temperature

December's arrival coincides with a drop in the average high-temperature, decreasing from November's wintry 39.2°F (4°C) to a freezing cold 27.7°F (-2.4°C). An average low-temperature of 17.6°F (-8°C) is noted during the nights in December in Sheffield.

Humidity

In Sheffield, Vermont, the average relative humidity in December is 86%.

Rainfall

In Sheffield, in December, it is raining for 9.5 days, with typically 2.44" (62mm) of accumulated precipitation. In Sheffield, during the entire year, the rain falls for 160.9 days and collects up to 30.04" (763mm) of precipitation.

Snowfall

Months with snowfall in Sheffield are January through May, October through December. In Sheffield, in December, snow falls for 20.4 days, with typically accumulated 8.46" (215mm) of snow. In Sheffield, during the entire year, snow falls for 108 days and aggregates up to 60.35" (1533mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:09 pm. On the last day of December, in Sheffield, sunrise is at 7:25 am and sunset at 4:18 pm EST.

Sunshine

In December, the average sunshine in Sheffield is 3.2h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Sheffield. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

How cold is December in Sheffield?

December temperatures in Sheffield vary between a high-temperature of 27.7°F (-2.4°C) and a low-temperature of 17.6°F (-8°C).

What is the average humidity in December in Sheffield?

The average relative humidity in December is 86%.

How many days does it rain in December in Sheffield?

In Sheffield, during December, the rain falls for 9.5 days and regularly aggregates up to 2.44" (62mm) of precipitation.

How many days does it snow in December in Sheffield?

In Sheffield, Vermont, in December, snow falls for 20.4 days, with typically accumulated 8.46" (215mm) of snow.

What is the month with the shortest days in Sheffield?

The month with the shortest days in Sheffield is December, with an average of 8h and 54min of daylight.

What is the average length of the day in December in Sheffield?

In Sheffield, Vermont, the average day length in December is 8h and 53min.

When are sunrise and sunset in December in Sheffield?

On the first day of December in Sheffield, Vermont, sunrise is at 7:05 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:18 pm EST.

How long on average sun shines in December in Sheffield?

In Sheffield, the average sunshine duration in December is 3.2h.

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

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

What is the UV index intensity in December in Sheffield?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Sheffield, VT

Average temperature in December - Sheffield, VT
  • Average high temperature in December: 27.7°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in December: 17.6°F

The month with the highest average low temperature is July (54.3°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

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Average pressure in December
Sheffield, VT

Average pressure in December - Sheffield, 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 (29.91"Hg).

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Average wind speed in December
Sheffield, VT

Average wind speed in December - Sheffield, VT
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Sheffield, VT

Average humidity in December - Sheffield, VT
  • Average humidity in December: 86%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in December
Sheffield, VT

Average rainfall in December - Sheffield, VT
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is October (2.99").
The driest months (with the least rainfall) are August and September (2.13").

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Average rainfall days in December
Sheffield, VT

Average rainfall days in December - Sheffield, VT
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is January (6.1 days).

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Average snowfall in December
Sheffield, VT

Average snowfall in December - Sheffield, VT
  • Average snowfall in December: 8.46"

The month with the highest snowfall is February (13.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Sheffield, VT

Average snowfall days in December - Sheffield, VT
  • Average snowfall days in December: 20.4 days

The month with the highest number of snowfall days is January (22.7 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
Sheffield, VT

Average daylight in December / Average sunshine in December - Sheffield, VT
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

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Average sunshine days in December
Sheffield, VT

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

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (5 days).

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Average UV index in December
Sheffield, VT

Average UV index in December - Sheffield, 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
Sheffield, VT

Average cloud cover in December - Sheffield, VT
  • Average cloud cover in December: 70

The month with the most cloud cover is February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).

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Average visibility in December
Sheffield, VT

Average visibility in December - Sheffield, 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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Sheffield, Vermont, USA

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