December weather forecastGrants Turn, ME
December
Weather in December
The first month of the winter, December, is also a wintry month in Grants Turn, Maine, with an average temperature varying between 35.8°F (2.1°C) and 26.6°F (-3°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 44.8°F (7.1°C) to a wintry 35.8°F (2.1°C). Throughout December nights, Grants Turn registers an average low-temperature of 26.6°F (-3°C).Humidity
In Grants Turn, the average relative humidity in December is 78%.Rainfall
The wettest months are April, November and December, with an average 1.42" (36mm) of rainfall.Snowfall
Months with snowfall in Grants Turn, Maine, are January through April, November and December. In Grants Turn, during December, snow falls for 5.7 days and regularly aggregates up to 0.98" (25mm) of snow. In Grants Turn, during the entire year, snow falls for 32.6 days and aggregates up to 7.05" (179mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:52 am and sunset at 3:58 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:07 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grants Turn, ME
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is August (70.7°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 26.6°F
The months with the highest average low temperature are July and August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Grants Turn, ME
- Average pressure in December: 30"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Grants Turn, ME
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in December
Grants Turn, ME
- Average humidity in December: 78%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Grants Turn, ME
- Average rainfall in December: 1.42"
The wettest months (with the highest rainfall) are April, November and December (1.42").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in December
Grants Turn, ME
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is April (13.2 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in December
Grants Turn, ME
- Average snowfall in December: 0.98"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Grants Turn, ME
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grants Turn, 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: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Grants Turn, ME
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in December
Grants Turn, 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, November and December (UV index 2).
Average cloud cover in December
Grants Turn, ME
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Grants Turn, ME
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





