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
Cornwall Bridge experiences a temperature shift at the start of December, with average high-temperatures adjusting from a frosty 46.6°F (8.1°C) in November to a cold 36.7°F (2.6°C). An average low-temperature of 25.7°F (-3.5°C) marks the month of December.Humidity
In December, the average relative humidity is 81%.Rainfall
In Cornwall Bridge, in December, it is raining for 10.9 days, with typically 3.35" (85mm) of accumulated precipitation. In Cornwall Bridge, during the entire year, the rain falls for 160.5 days and collects up to 33.86" (860mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Cornwall Bridge, during December, snow falls for 7.1 days and regularly aggregates up to 3.7" (94mm) of snow. Throughout the year, there are 40.2 snowfall days, and 20.39" (518mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:02 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:32 pm EST.
Sunshine
In December, the average sunshine is 4.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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 many days does it snow in December?
What is the month with the shortest days in Cornwall Bridge?
What is the average length of the day in December?
When is the sunrise / sunset in December in Cornwall Bridge?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Cornwall Bridge, CT
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Cornwall Bridge, CT
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Cornwall Bridge, CT
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Cornwall Bridge, CT
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Cornwall Bridge, CT
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is July (3.54").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in December
Cornwall Bridge, CT
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Cornwall Bridge, CT
- Average snowfall in December: 3.7"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cornwall Bridge, CT
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cornwall Bridge, CT
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Cornwall Bridge, CT
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Cornwall Bridge, CT
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Cornwall Bridge, CT
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Cornwall Bridge, CT
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Cornwall Bridge, Connecticut, USA
Weather forecast for your location
2. Allow the app to use your location