December weather forecast
Norwich, VT

Weather in December

December, the first month of the winter, in Norwich, is also a subzero cold month, with temperature in the range of an average high of 30.7°F (-0.7°C) and an average low of 20.8°F (-6.2°C).

Temperature

In Norwich, the average high-temperature in December drops, from a wintry 41.9°F (5.5°C) in November, to a freezing cold 30.7°F (-0.7°C). In December, in Norwich, Vermont, the average low-temperature is 20.8°F (-6.2°C).

Humidity

The average relative humidity in Norwich is 83%.

Rainfall

In December, the rain falls for 10.9 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 156.9 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Norwich are January through May, October through December. In December, it is snowing for 13.5 days. Throughout December, 6.85" (174mm) of snow is 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 of daylight.

Sunshine

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

UV index

Months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 transform into the following instructions:
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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Norwich?

In Norwich, the average relative humidity in December is 83%.

How many days does it rain in December in Norwich?

In December, in Norwich, the rain falls for 10.9 days. Throughout December, 2.48" (63mm) of precipitation is accumulated.

How many days does it snow in December in Norwich?

In December, in Norwich, Vermont, 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, with an average of 9h of daylight.

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

The average length of the day in December is 9h.

How many hours of sunshine does Norwich have in December?

The average sunshine in December is 4h.

When is the lowest UV index in Norwich?

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

What is the UV index reading in December in Norwich?

In December, the average daily maximum UV index in Norwich, Vermont, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.

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"

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

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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%

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").
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).
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

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in December: 4h

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 3.6h).

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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

Months with the highest UV index are May, June, July and August (UV index 5).
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

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

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