December weather forecastNorth Grosvenor Dale, CT
December
Weather in December
December, the first month of the winter in North Grosvenor Dale, is also an icy month, with an average temperature varying between 27°F (-2.8°C) and 37.2°F (2.9°C).Temperature
The average high-temperature drops in December, from November's chilly 47.3°F (8.5°C) to a wintry 37.2°F (2.9°C). The nighttime temperature in North Grosvenor Dale, Connecticut, dips to a freezing cold 27°F (-2.8°C) on average during December.Humidity
In December, the average relative humidity in North Grosvenor Dale is 79%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.9 days and typically aggregates up to 3.11" (79mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in North Grosvenor Dale, Connecticut. In North Grosvenor Dale, during December, snow falls for 6.1 days and regularly aggregates up to 3.39" (86mm) of snow. In North Grosvenor Dale, during the entire year, snow falls for 37.7 days and aggregates up to 20.59" (523mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in North Grosvenor Dale.On the first day of the month, sunrise is at 6:56 am and sunset at 4:17 pm. On the last day of December, in North Grosvenor Dale, sunrise is at 7:15 am and sunset at 4:26 pm EST.
Sunshine
In December, the average sunshine in North Grosvenor Dale, Connecticut, 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 in North Grosvenor Dale. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
North Grosvenor Dale, CT
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
North Grosvenor Dale, CT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
North Grosvenor Dale, CT
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
North Grosvenor Dale, CT
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
North Grosvenor Dale, CT
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
North Grosvenor Dale, CT
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in December
North Grosvenor Dale, CT
- Average snowfall in December: 3.39"
The months with the highest snowfall are February and March (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
North Grosvenor Dale, CT
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is March (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
North Grosvenor Dale, CT
- Average daylight in December: 9h and 12min
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 36min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
North Grosvenor Dale, CT
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in December
North Grosvenor Dale, CT
- Average UV index in December: 2
The months with the highest UV index are June and July (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
North Grosvenor Dale, CT
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
North Grosvenor Dale, CT
- Average visibility in December: 6mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
