December weather forecastNorthfield, CT
December
Weather in December
The first month of the winter, December, is still a cold month in Northfield, Connecticut, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 37.2°F (2.9°C).Temperature
Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a frosty 47.5°F (8.6°C) to an icy 37.2°F (2.9°C). Northfield throughout December, experiences an average nighttime temperature of 26.4°F (-3.1°C).Humidity
The average relative humidity in December is 80%.Rainfall
The month with the most rainfall in Northfield is December, when the rain falls for 10.8 days and typically aggregates up to 3.62" (92mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Northfield, it is snowing for 7.4 days. Throughout December, 3.94" (100mm) of snow is accumulated. Throughout the year, in Northfield, there are 39.4 snowfall days, and 24.37" (619mm) of snow is accumulated.Daylight
December has the shortest days of the year in Northfield, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:32 pm EST.
Sunshine
In Northfield, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Northfield are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Northfield, CT
- Average high temperature in December: 37.2°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 (31.5°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Northfield, 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
Northfield, CT
- Average wind speed in December: 7.7mph
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
Northfield, CT
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Northfield, CT
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is December (3.62").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Northfield, CT
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is June (17.7 days).
The months with the least rainy days are January and February (8.1 days).
Average snowfall in December
Northfield, CT
- Average snowfall in December: 3.94"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Northfield, CT
- Average snowfall days in December: 7.4 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Northfield, 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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Northfield, CT
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in December
Northfield, 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
Northfield, CT
- Average cloud cover in December: 50
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Northfield, CT
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
