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
The arrival of December corresponds with a temperature reduction, down from November's chilly 42.8°F (6°C) to a wintry 33.1°F (0.6°C). Norwich experiences a consistent average temperature of 23.2°F (-4.9°C) throughout the nights in December.Humidity
In December, the average relative humidity in Norwich is 87%.Rainfall
In December, in Norwich, the rain falls for 9.4 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 144.3 rainfall days, and 23.07" (586mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Norwich, in December, during 13.1 snowfall days, 5.75" (146mm) of snow is typically accumulated. Throughout the year, there are 70.5 snowfall days, and 26.26" (667mm) of snow is accumulated.Daylight
December has the shortest days of the year in Norwich, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:39 pm EST.
Sunshine
The average sunshine in December is 2.6h.UV index
The months with the lowest UV index in Norwich are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 1 in December transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Norwich in December?
What is the average humidity in December in Norwich?
How many days does it rain in December in Norwich?
How much does it snow in Norwich in December?
What is the month with the shortest days in Norwich?
What is the average length of the day in December in Norwich?
When are sunrise and sunset in December in Norwich?
How long on average sun shines in December in Norwich?
What are the months with the lowest UV index in Norwich?
What is the UV index reading in December in Norwich?
Average temperature in December
Norwich, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Norwich, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Norwich, NY
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Norwich, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May and July (80%).
Average rainfall in December
Norwich, NY
- Average rainfall in December: 1.73"
The wettest months (with the highest rainfall) are May and June (2.44").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Norwich, NY
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Norwich, NY
- Average snowfall in December: 5.75"
The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Norwich, NY
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is January (17.3 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, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Norwich, NY
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Norwich, NY
- 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 January, February, November and December (UV index 1).
Average cloud cover in December
Norwich, NY
- Average cloud cover in December: 73
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Norwich, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Norwich, New York, USA
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