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
In December, the meteorological conditions alter, with the average high-temperature shifting from a frosty 43.7°F (6.5°C) in November to a cold 32.9°F (0.5°C). Cummington in December anticipates an average nighttime temperature of 22.1°F (-5.5°C).Humidity
The average relative humidity in December is 85%.Rainfall
In Cummington, in December, it is raining for 12.4 days, with typically 3.62" (92mm) of accumulated precipitation. Throughout the year, there are 171.8 rainfall days, and 37.28" (947mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Cummington. In Cummington, in December, snow falls for 9.6 days, with typically accumulated 6.65" (169mm) of snow. Throughout the year, in Cummington, there are 58.7 snowfall days, and 36.73" (933mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Cummington, Massachusetts.On the first day of December, sunrise is at 7:02 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:28 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December in Cummington?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Cummington have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Cummington, MA
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in December
Cummington, 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
Cummington, MA
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Cummington, MA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Cummington, MA
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is October (3.66").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in December
Cummington, MA
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Cummington, MA
- Average snowfall in December: 6.65"
The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cummington, MA
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cummington, MA
- Average daylight in December: 9h and 1min
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 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Cummington, MA
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is June (10 days).
Average UV index in December
Cummington, MA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Cummington, MA
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Cummington, MA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Cummington, Massachusetts, USA
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