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
During Willimantic's transition into December, the average high-temperature lessens, moving from an icy 40.1°F (4.5°C) in November to a freezing cold 28.6°F (-1.9°C). In Willimantic, December is marked by an average low-temperature of 18.3°F (-7.6°C).Humidity
In Willimantic, Maine, the average relative humidity in December is 84%.Rainfall
In Willimantic, in December, it is raining for 9.6 days, with typically 1.69" (43mm) of accumulated precipitation. In Willimantic, Maine, during the entire year, the rain falls for 152.4 days and collects up to 20.83" (529mm) of precipitation.Snowfall
Months with snowfall in Willimantic are January through May, October through December. In Willimantic, Maine, during December, snow falls for 12.8 days and regularly aggregates up to 4.61" (117mm) of snow. In Willimantic, during the entire year, snow falls for 71.8 days and aggregates up to 27.28" (693mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 3:56 pm. On the last day of December, in Willimantic, sunrise is at 7:16 am and sunset at 4:05 pm EST.
Sunshine
In Willimantic, Maine, the average sunshine in December is 4.1h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is it in Willimantic in December?
What is the average humidity in December in Willimantic?
How much does it rain in Willimantic in December?
How much does it snow in Willimantic in December?
What is the month with the shortest days in Willimantic?
How many hours of daylight does Willimantic have in December?
What time are sunrise and sunset in December in Willimantic?
How many hours of sunshine does Willimantic have in December?
When is the lowest UV index in Willimantic?
What is the UV index reading in December in Willimantic?
Average temperature in December
Willimantic, ME
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Willimantic, ME
- Average pressure in December: 30.01"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Willimantic, ME
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Willimantic, ME
- Average humidity in December: 84%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Willimantic, ME
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is April (2.24").
The driest months (with the least rainfall) are February and March (1.22").
Average rainfall days in December
Willimantic, ME
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Willimantic, ME
- Average snowfall in December: 4.61"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Willimantic, ME
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Willimantic, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Willimantic, ME
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (10.4 days).
Average UV index in December
Willimantic, ME
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Willimantic, ME
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 41).
Average visibility in December
Willimantic, ME
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Willimantic, Maine, USA
Weather forecast for your location
2. Allow the app to use your location
