December weather forecastEaston, MA
December
Weather in December
The first month of the winter, December, is also a wintry month in Easton, Massachusetts, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 40.1°F (4.5°C).Temperature
As December begins, there is a decrease in the average high-temperature, falling from a frosty 49.5°F (9.7°C) in November to an icy 40.1°F (4.5°C). The low-temperature averages to a freezing cold 29.1°F (-1.6°C) during the nights of December.Humidity
The average relative humidity in December is 77%.Rainfall
December is the month with the most rainfall. Rain falls for 10.4 days and accumulates 3.11" (79mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Easton, during December, snow falls for 4.7 days and regularly aggregates up to 3.54" (90mm) of snow. In Easton, during the entire year, snow falls for 30 days and aggregates up to 17.05" (433mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:53 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:23 pm EST.
Sunshine
The average sunshine in December in Easton is 4.8h.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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
Easton, 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 (34.2°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Easton, 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
Easton, MA
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Easton, MA
- Average humidity in December: 77%
The months with the highest relative humidity are February, September and October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Easton, MA
- 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 (1.42").
Average rainfall days in December
Easton, MA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Easton, MA
- Average snowfall in December: 3.54"
The month with the highest snowfall is March (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Easton, MA
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Easton, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Easton, MA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in December
Easton, 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
Easton, 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 35).
Average visibility in December
Easton, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).





