December weather forecastWeston, CT
December
Weather in December
December, the first month of the winter in Weston, is also a wintry month, with an average temperature fluctuating between 31.8°F (-0.1°C) and 40.8°F (4.9°C).Temperature
Onset of December witnesses a reduction in the average high-temperature, falling from a fresh 50°F (10°C) in November to an icy 40.8°F (4.9°C). Weston observes an average low-temperature of 31.8°F (-0.1°C) during the slightly cooler nights of December.Humidity
The months with the highest humidity are February, May, June, October and December, with an average relative humidity of 76%.Rainfall
December is the month with the most rainfall in Weston. Rain falls for 12.3 days and accumulates 4.17" (106mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Weston, Connecticut. In Weston, Connecticut, in December, snow falls for 5.1 days, with typically accumulated 2.6" (66mm) of snow. Throughout the year, in Weston, Connecticut, there are 28.5 snowfall days, and 11.65" (296mm) of snow is accumulated.Daylight
The month with the shortest days in Weston, Connecticut, is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:34 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Weston, Connecticut. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Weston, CT
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Weston, 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
Weston, CT
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in December
Weston, CT
- Average humidity in December: 76%
The months with the highest relative humidity are February, May, June, October and December (76%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Weston, CT
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is January (2.44").
Average rainfall days in December
Weston, CT
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Weston, CT
- Average snowfall in December: 2.6"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Weston, CT
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is February (8.3 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
Weston, CT
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Weston, CT
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in December
Weston, 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
Weston, CT
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Weston, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
