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
December's arrival comes with a decrease in the average high-temperature, moving from a frosty 47.1°F (8.4°C) in November to an icy 36.5°F (2.5°C). In December, Belchertown encounters an average low-temperature of 25.9°F (-3.4°C) during the night.Humidity
The average relative humidity in December is 79%.Rainfall
The months with the most rainfall are October and December, with an average 2.83" (72mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Belchertown, in December, during 6.4 snowfall days, 3.35" (85mm) of snow is typically accumulated. Throughout the year, in Belchertown, there are 38.1 snowfall days, and 21.65" (550mm) of snow is accumulated.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 6:59 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:27 pm EST.
Sunshine
In Belchertown, the average sunshine in December is 4.7h.UV index
The months with the lowest UV index in Belchertown are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is it in Belchertown in December?
What is the average humidity in December in Belchertown?
What is the wettest month in Belchertown?
How much does it rain in Belchertown in December?
How many days does it snow in December in Belchertown?
What is the month with the shortest days in Belchertown?
What is the average length of the day in December in Belchertown?
When is the sunrise / sunset in December in Belchertown?
How many hours of sunshine does Belchertown have in December?
What is the month with the lowest UV index in Belchertown?
How high is the UV index in December in Belchertown?
Average temperature in December
Belchertown, MA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Belchertown, MA
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Belchertown, MA
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Belchertown, MA
- Average humidity in December: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Belchertown, MA
- Average rainfall in December: 2.83"
The wettest months (with the highest rainfall) are October and December (2.83").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Belchertown, MA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Belchertown, MA
- Average snowfall in December: 3.35"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Belchertown, MA
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Belchertown, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Belchertown, MA
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are March and June (12.9 days).
Average UV index in December
Belchertown, 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
Belchertown, MA
- Average cloud cover in December: 48
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 35).
Average visibility in December
Belchertown, 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).
Belchertown, Massachusetts, USA
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