December weather forecastPlimptonville, MA
December
Weather in December
December, the first month of the winter in Plimptonville, is still a cold month, with an average temperature fluctuating between 40.1°F (4.5°C) and 28.9°F (-1.7°C).Temperature
The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 49.6°F (9.8°C) to a wintry 40.1°F (4.5°C). Plimptonville records an average low-temperature of 28.9°F (-1.7°C) throughout the month of December.Humidity
In December, the average relative humidity is 77%.Rainfall
In Plimptonville, during December, the rain falls for 6.6 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 97.1 rainfall days, and 7.13" (181mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. The months with the most snowfall are March and December, with an average 0.91" (23mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:23 pm EST.
Sunshine
In Plimptonville, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Around midday, solar radiation is most harmful; hence, exposure should be limited. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plimptonville, MA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Plimptonville, MA
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Plimptonville, MA
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Plimptonville, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Plimptonville, MA
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in December
Plimptonville, MA
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in December
Plimptonville, MA
- Average snowfall in December: 0.91"
The months with the highest snowfall are March and December (0.91").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Plimptonville, MA
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Plimptonville, MA
- 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 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Plimptonville, MA
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in December
Plimptonville, MA
- Average UV index in December: 2
The months with the highest UV index are June, July 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
Plimptonville, MA
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Plimptonville, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





