December weather forecastBridgewater, CT
December
Weather in December
The first month of the winter, December, is also an icy month in Bridgewater, Connecticut, with an average temperature varying between 28°F (-2.2°C) and 38.7°F (3.7°C).Temperature
The transition into December involves a decrease in the average high-temperature, falling from a frosty 48.4°F (9.1°C) in November to an icy 38.7°F (3.7°C). December nights experience a consistent temperature drop to a freezing cold 28°F (-2.2°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Bridgewater, in December, it is raining for 11.1 days, with typically 3.66" (93mm) of accumulated precipitation. In Bridgewater, during the entire year, the rain falls for 166.1 days and collects up to 36.3" (922mm) of precipitation.Snowfall
Months with snowfall in Bridgewater are January through May, October through December. In December, it is snowing for 5.5 days. Throughout December, 2.87" (73mm) of snow is accumulated. In Bridgewater, during the entire year, snow falls for 31.6 days and aggregates up to 15.43" (392mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Bridgewater.On the first day of December, sunrise is at 7:01 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:33 pm EST.
Sunshine
The average sunshine in December is 4.6h.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 minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. 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
Average temperature in December
Bridgewater, CT
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Bridgewater, 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
Bridgewater, CT
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are January and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Bridgewater, CT
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Bridgewater, CT
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in December
Bridgewater, CT
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Bridgewater, CT
- Average snowfall in December: 2.87"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bridgewater, CT
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bridgewater, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Bridgewater, CT
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is January (17 days).
The months with the least sunshine days are June and July (10.3 days).
Average UV index in December
Bridgewater, CT
- Average UV index in December: 2
The months with the highest UV index are June 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
Bridgewater, CT
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Bridgewater, CT
- Average visibility in December: 6mi
The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).





