December weather forecastRichmond, MA
December
Weather in December
The first month of the winter, December, is still a cold month in Richmond, Massachusetts, with an average temperature ranging between min 23°F (-5°C) and max 34.2°F (1.2°C).Temperature
December involves a decrease in temperature, down from a frosty 44.4°F (6.9°C) in November to a cold 34.2°F (1.2°C). Richmond records an average temperature drop to a freezing cold 23°F (-5°C) in December.Humidity
The average relative humidity in December is 84%.Rainfall
In Richmond, Massachusetts, during December, the rain falls for 4.7 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 88.8 rainfall days, and 7.32" (186mm) of precipitation is accumulated.Snowfall
Months with snowfall in Richmond are January through May, October through December. December is the month with the most snowfall in Richmond. Snow falls for 5.9 days and accumulates 1.34" (34mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:30 pm EST.
Sunshine
In Richmond, the average sunshine in December is 4.2h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Richmond, MA
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Richmond, MA
- 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 (29.92"Hg).
Average wind speed in December
Richmond, MA
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Richmond, MA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Richmond, MA
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is July (0.83").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Richmond, MA
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in December
Richmond, MA
- Average snowfall in December: 1.34"
The month with the highest snowfall is December (1.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Richmond, MA
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Richmond, MA
- Average daylight in December: 9h and 6min
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 6min).
- Average sunshine in December: 4h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Richmond, MA
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is June (17.1 days).
Average UV index in December
Richmond, 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
Richmond, MA
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Richmond, MA
- Average visibility in December: 6mi
The months with the highest visibility are April and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and November (5mi).
