Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A moderate decline in the average high-temperature is seen in Norwich during December, decreasing from a cold 41.9°F (5.5°C) in November to a subzero cold 30.7°F (-0.7°C). In Norwich, an average low-temperature of 20.8°F (-6.2°C) is recorded during December nights.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. In Norwich, during the entire year, the rain falls for 156.9 days and collects up to 28.23" (717mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. 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
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:03 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:22 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Norwich have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Norwich, Vermont, USA
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