December weather forecast
Norwich, VT

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Weather in December

December brings winter back to Norwich, Vermont, pushing the average low temperature to 20.8°F (-6.2°C). Warm interiors and hearths create good contrast to the chilly air outside. Snow covers the city's terrain, setting a picturesque winter landscape. The festive season fills the air with joy, brightening up the short days as residents prepare to celebrate. The close of the year witnesses a gradual decrease in temperature, setting the stage for another frigid January.

Temperature

The arrival of December in Norwich indicates a decrease in the average high-temperature, moving from an icy 41.9°F (5.5°C) in November to a freezing cold 30.7°F (-0.7°C). Norwich records an average low of 20.8°F (-6.2°C) throughout the nights in December.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Norwich, in December, during 10.9 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Norwich, there are 156.9 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Norwich, Vermont, in December, during 13.5 snowfall days, 6.85" (174mm) of snow is typically accumulated. Throughout the year, there are 75.5 snowfall days, and 40.83" (1037mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:22 pm EST.

Sunshine

In Norwich, the average sunshine in December is 4h.

UV index

February and December, with an average maximum UV index of 1, are months with the lowest UV index in Norwich. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

How cold is December in Norwich?

The high-temperature, in December, in Norwich, is 30.7°F (-0.7°C), while the low-temperature averages to 20.8°F (-6.2°C).

What is the average humidity in December in Norwich?

In December, the average relative humidity is 83%.

How much does it rain in Norwich in December?

In Norwich, during December, the rain falls for 10.9 days and regularly aggregates up to 2.48" (63mm) of precipitation.

How much does it snow in Norwich in December?

In December, it is snowing for 13.5 days. Throughout December, 6.85" (174mm) of snow is accumulated.

What is the month with the shortest days in Norwich?

December has the shortest days of the year in Norwich, Vermont, with an average of 9h and 0min of daylight.

How many hours of daylight does Norwich have in December?

The average day length in December in Norwich, Vermont, is 8h and 59min.

What time are sunrise and sunset in December in Norwich?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:13 pm. On the last day of the month, in Norwich, sunrise is at 7:22 am and sunset at 4:22 pm EST.

How many hours of sunshine does Norwich have in December?

The average sunshine duration in December in Norwich, Vermont, is 4h.

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

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

What is the UV index intensity in December in Norwich?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Norwich, VT

Average temperature in December - Norwich, VT
  • Average high temperature in December: 30.7°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in December: 20.8°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 (12.6°F).

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Average pressure in December
Norwich, VT

Average pressure in December - Norwich, VT
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Norwich, VT

Average wind speed in December - Norwich, VT
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Norwich, VT

Average humidity in December - Norwich, VT
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in December
Norwich, VT

Average rainfall in December - Norwich, VT
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Norwich, VT

Average rainfall days in December - Norwich, VT
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in December
Norwich, VT

Average snowfall in December - Norwich, VT
  • Average snowfall in December: 6.85"

The month with the highest snowfall is February (11.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Norwich, VT

Average snowfall days in December - Norwich, VT
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is January (16.5 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
Norwich, VT

Average daylight in December / Average sunshine in December - Norwich, 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: 4h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in December
Norwich, VT

Average sunshine days in December - Norwich, VT
  • Average sunshine days in December: 12.3 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in December
Norwich, VT

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

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

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Average cloud cover in December
Norwich, VT

Average cloud cover in December - Norwich, VT
  • Average cloud cover in December: 59

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in December
Norwich, VT

Average visibility in December - Norwich, VT
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).

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Norwich, Vermont, USA

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