December weather forecastStevenson, CT
December
Weather in December
December, the first month of the winter in Stevenson, is still a cold month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 39.9°F (4.4°C).Temperature
December's onset corresponds with a shift in the average high-temperature, moving from a chilly 49.1°F (9.5°C) in November to a cold 39.9°F (4.4°C). Stevenson records an average temperature drop to a subzero cold 29.7°F (-1.3°C) in December.Humidity
In Stevenson, Connecticut, the average relative humidity in December is 77%.Rainfall
In Stevenson, in December, during 8.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Stevenson, during the entire year, the rain falls for 118.8 days and collects up to 9.61" (244mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. December is the month with the most snowfall. Snow falls for 3.3 days and accumulates 0.55" (14mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:33 pm EST.
Sunshine
In Stevenson, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Stevenson, CT
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Stevenson, 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
Stevenson, CT
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Stevenson, CT
- Average humidity in December: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Stevenson, CT
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is July (1.22").
The driest months (with the least rainfall) are January and February (0.47").
Average rainfall days in December
Stevenson, CT
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Stevenson, CT
- Average snowfall in December: 0.55"
The month with the highest snowfall is December (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Stevenson, CT
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Stevenson, CT
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Stevenson, CT
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
Stevenson, CT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
Stevenson, CT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Stevenson, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
