Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December indicates a reduction in the average high-temperature, down to a wintry 34.5°F (1.4°C) from November's chilly 45.5°F (7.5°C). During December, the average low-temperature in Northfield is a freezing cold 23.9°F (-4.5°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Northfield, Massachusetts, in December, during 9.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, there are 146.7 rainfall days, and 27.2" (691mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Northfield, in December, snow falls for 7.9 days, with typically accumulated 5.35" (136mm) of snow. Throughout the year, there are 43.8 snowfall days, and 27.28" (693mm) of snow is accumulated.Daylight
The month with the shortest days in Northfield, Massachusetts, is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:26 pm EST.
Sunshine
In December, the average sunshine is 5h.UV index
January through March, October through 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 exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is it in Northfield in December?
What is the average humidity in December in Northfield?
How many days does it rain in December in Northfield?
How many days does it snow in December in Northfield?
What is the month with the shortest days in Northfield?
What is the average length of the day in December in Northfield?
When are sunrise and sunset in December in Northfield?
How long on average sun shines in December in Northfield?
What is the month with the lowest UV index in Northfield?
What is the UV index intensity in December in Northfield?
Average temperature in December
Northfield, MA
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Northfield, MA
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Northfield, MA
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Northfield, MA
- Average humidity in December: 81%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Northfield, MA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Northfield, MA
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in December
Northfield, MA
- Average snowfall in December: 5.35"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Northfield, MA
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is February (10.9 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, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Northfield, MA
- Average sunshine days in December: 15.8 days
The months with the most sunshine days are January and November (16.7 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Northfield, MA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Northfield, MA
- Average cloud cover in December: 47
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Northfield, MA
- 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).
Northfield, Massachusetts, USA
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