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
A shift in the average high-temperature occurs in December, reducing from a chilly 49.1°F (9.5°C) in November to a wintry 38.5°F (3.6°C). West Concord's December nights cool down to an average low-temperature of 27.7°F (-2.4°C).Humidity
The average relative humidity in December in West Concord is 77%.Rainfall
In December, the rain falls for 7.1 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In West Concord, during the entire year, the rain falls for 116.6 days and collects up to 13.7" (348mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall in West Concord. Snow falls for 3.9 days and accumulates 2.24" (57mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in West Concord.On the first day of the month, sunrise is at 6:56 am and sunset at 4:13 pm. On the last day of December, in West Concord, sunrise is at 7:14 am and sunset at 4:22 pm EST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The month with the lowest UV index in West Concord is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
Is December cold in West Concord?
What is the average humidity in December in West Concord?
How many days does it rain in December in West Concord?
What is the snowiest month in West Concord?
How much does it snow in West Concord in December?
What is the month with the shortest days in West Concord?
How many hours of daylight does West Concord have in December?
When are sunrise and sunset in December in West Concord?
How many hours of sunshine does West Concord have in December?
When is the lowest UV index in West Concord?
What is the UV index reading in December in West Concord?
Average temperature in December
West Concord, MA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
West Concord, MA
- Average pressure in December: 30.03"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
West Concord, MA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
West Concord, MA
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
West Concord, MA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is October (1.42").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
West Concord, MA
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
West Concord, MA
- Average snowfall in December: 2.24"
The month with the highest snowfall is December (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Concord, MA
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Concord, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
West Concord, MA
- Average sunshine days in December: 20 days
The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are April and June (15.8 days).
Average UV index in December
West Concord, MA
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
West Concord, MA
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
West Concord, MA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
West Concord, Massachusetts, USA
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