December weather forecastMiddlebury, CT
December
Weather in December
December, the first month of the winter in Middlebury, is also an icy month, with temperature in the range of an average high of 38.7°F (3.7°C) and an average low of 27.9°F (-2.3°C).Temperature
Middlebury in December undergoes a mild reduction in the average high-temperature, shifting from November's frosty 48.4°F (9.1°C) to an icy 38.7°F (3.7°C). Nighttime temperatures consistently average a freezing cold 27.9°F (-2.3°C) during December.Humidity
The average relative humidity in December in Middlebury, Connecticut, is 79%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.3 days and typically aggregates up to 3.7" (94mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Middlebury, during December, snow falls for 5.3 days and regularly aggregates up to 2.72" (69mm) of snow. In Middlebury, during the entire year, snow falls for 32.2 days and aggregates up to 19.06" (484mm) of snow.Daylight
December has the shortest days of the year in Middlebury, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:32 pm EST.
Sunshine
In Middlebury, 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 low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Middlebury, CT
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Middlebury, 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
Middlebury, CT
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Middlebury, 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
Middlebury, CT
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Middlebury, CT
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Middlebury, CT
- Average snowfall in December: 2.72"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Middlebury, CT
- Average snowfall days in December: 5.3 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
Middlebury, 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Middlebury, CT
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in December
Middlebury, 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
Middlebury, CT
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Middlebury, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
