December weather forecastWilton, ME
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Wilton, Maine, with an average temperature ranging between max 30.7°F (-0.7°C) and min 20.1°F (-6.6°C).Temperature
The arrival of December indicates a decrease in the average high-temperature, moving from an icy 42.3°F (5.7°C) in November to a freezing cold 30.7°F (-0.7°C). Wilton's temperature drops to an average low of 20.1°F (-6.6°C) during the nights of December.Humidity
The average relative humidity in December in Wilton is 81%.Rainfall
In Wilton, during December, the rain falls for 10 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Wilton, Maine, during the entire year, the rain falls for 139.5 days and collects up to 28.78" (731mm) of precipitation.Snowfall
Months with snowfall in Wilton are January through May, October through December. In Wilton, in December, snow falls for 10.8 days, with typically accumulated 7.17" (182mm) of snow. Throughout the year, in Wilton, Maine, there are 58.6 snowfall days, and 42.36" (1076mm) of snow is accumulated.Daylight
December has the shortest days of the year in Wilton, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:10 pm EST.
Sunshine
In Wilton, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Wilton are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wilton, ME
- Average high temperature in December: 30.7°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Wilton, ME
- Average pressure in December: 30.01"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Wilton, ME
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Wilton, ME
- Average humidity in December: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Wilton, ME
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in December
Wilton, ME
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (15.7 days).
The months with the least rainy days are January and February (7 days).
Average snowfall in December
Wilton, ME
- Average snowfall in December: 7.17"
The month with the highest snowfall is February (9.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wilton, ME
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is March (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wilton, ME
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Wilton, ME
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (12.1 days).
Average UV index in December
Wilton, ME
- Average UV index in December: 2
The months with the highest UV index are 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
Wilton, ME
- Average cloud cover in December: 51
The months with the most cloud cover are February and April (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Wilton, ME
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).
The month with the lowest visibility is August (4mi).





