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
As December begins, there is a decrease in the average high-temperature, falling from a frosty 45.9°F (7.7°C) in November to a cold 35.1°F (1.7°C). An average nighttime temperature of 24.3°F (-4.3°C) is witnessed throughout December.Humidity
In December, the average relative humidity in Bernardston, Massachusetts, is 81%.Rainfall
The wettest months in Bernardston are October and December, with an average 3.03" (77mm) of rainfall.Snowfall
Months with snowfall in Bernardston are January through May, October through December. In Bernardston, in December, during 7.5 snowfall days, 4.8" (122mm) of snow is typically accumulated. In Bernardston, during the entire year, snow falls for 42.1 days and aggregates up to 24.53" (623mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:01 am and sunset at 4:17 pm. On the last day of December, in Bernardston, sunrise is at 7:20 am and sunset at 4:26 pm EST.
Sunshine
In December, the average sunshine in Bernardston, Massachusetts, is 5h.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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Bernardston?
What is the average humidity in December in Bernardston?
What is the wettest month in Bernardston?
How many days does it rain in December in Bernardston?
How much does it snow in Bernardston in December?
What is the month with the shortest days in Bernardston?
How many hours of daylight does Bernardston have in December?
What time are sunrise and sunset in December in Bernardston?
How many hours of sunshine does Bernardston have in December?
When is the lowest UV index in Bernardston?
What is the UV index reading in December in Bernardston?
Average temperature in December
Bernardston, MA
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Bernardston, 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
Bernardston, MA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Bernardston, MA
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Bernardston, MA
- Average rainfall in December: 3.03"
The wettest months (with the highest rainfall) are October and December (3.03").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Bernardston, MA
- Average rainfall days in December: 11.9 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Bernardston, MA
- Average snowfall in December: 4.8"
The month with the highest snowfall is February (7.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bernardston, MA
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bernardston, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Bernardston, MA
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Bernardston, 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
Bernardston, MA
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Bernardston, MA
- Average visibility in December: 6mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Bernardston, Massachusetts, USA
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