December weather forecastAttleboro Falls, MA
December
Weather in December
The first month of the winter, December, is still a cold month in Attleboro Falls, Massachusetts, with an average temperature fluctuating between 40.1°F (4.5°C) and 29.3°F (-1.5°C).Temperature
As November transitions into December, Attleboro Falls sees a drop in the average high-temperature, transitioning from a cool 50°F (10°C) to an icy 40.1°F (4.5°C). Attleboro Falls experiences an average low-temperature of 29.3°F (-1.5°C) in month of December.Humidity
In Attleboro Falls, the average relative humidity in December is 77%.Rainfall
In Attleboro Falls, in December, during 11.2 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Attleboro Falls, during the entire year, the rain falls for 149.9 days and collects up to 29.09" (739mm) of precipitation.Snowfall
Months with snowfall in Attleboro Falls are January through May, November and December. In Attleboro Falls, during December, snow falls for 5.1 days and regularly aggregates up to 2.32" (59mm) of snow. Throughout the year, there are 29.8 snowfall days, and 14.13" (359mm) of snow is accumulated.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 4:14 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:24 pm EST.
Sunshine
The average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Attleboro Falls are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Attleboro Falls, MA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 29.3°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 (22.5°F).
Average pressure in December
Attleboro Falls, MA
- Average pressure in December: 30.04"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
Attleboro Falls, MA
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are February and March (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Attleboro Falls, MA
- Average humidity in December: 77%
The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Attleboro Falls, MA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Attleboro Falls, MA
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Attleboro Falls, MA
- Average snowfall in December: 2.32"
The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Attleboro Falls, MA
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.8 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
Attleboro Falls, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Attleboro Falls, MA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Attleboro Falls, 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
Attleboro Falls, 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 34).
Average visibility in December
Attleboro Falls, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).





