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 brings a decrease in the average high-temperature, shifting from a frosty 45.1°F (7.3°C) in November to a wintry 34.2°F (1.2°C). Winchendon Springs registers a consistent average low-temperature of 23.7°F (-4.6°C) during December.Humidity
In December, the average relative humidity is 82%.Rainfall
In December, the rain falls for 8.8 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 143.2 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Winchendon Springs, during December, snow falls for 8.6 days and regularly aggregates up to 5.31" (135mm) of snow. Throughout the year, there are 47.7 snowfall days, and 31.93" (811mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:59 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:24 pm EST.
Sunshine
In December, the average sunshine is 4.4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a regular UV index of 1 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Winchendon Springs?
How many hours of daylight does Winchendon Springs have in December?
What time are sunrise and sunset in December in Winchendon Springs?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Winchendon Springs, MA
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 23.7°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Winchendon Springs, 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 (29.92"Hg).
Average wind speed in December
Winchendon Springs, MA
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Winchendon Springs, MA
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Winchendon Springs, MA
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Winchendon Springs, MA
- Average rainfall days in December: 8.8 days
The months with the highest number of rainy days are May and June (15.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Winchendon Springs, MA
- Average snowfall in December: 5.31"
The month with the highest snowfall is February (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Winchendon Springs, MA
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Winchendon Springs, 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: 4h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Winchendon Springs, MA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in December
Winchendon Springs, MA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Winchendon Springs, MA
- Average cloud cover in December: 52
The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Winchendon Springs, MA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Winchendon Springs, Massachusetts, USA
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