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
The move into December indicates a reduction in the average high-temperature, down from November's chilly 44.8°F (7.1°C) to a cold 35.8°F (2.1°C). The low-temperature average for Shermans Mill during December stands at a freezing cold 26.6°F (-3°C).Humidity
In December, the average relative humidity is 78%.Rainfall
The months with the most rainfall are April, November and December, with an average 1.42" (36mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 5.7 days. Throughout December, 0.98" (25mm) of snow is accumulated. Throughout the year, there are 32.6 snowfall days, and 7.05" (179mm) of snow is accumulated.Daylight
December has the shortest days of the year in Shermans Mill, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 3:59 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:08 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 4.6h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine in Shermans Mill?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Shermans Mill, 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
Shermans Mill, 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
Shermans Mill, 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
Shermans Mill, 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
Shermans Mill, 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
Shermans Mill, 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
Shermans Mill, 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
Shermans Mill, 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
Shermans Mill, ME
- Average daylight in December: 8h and 5min
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 4min
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
Shermans Mill, 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
Shermans Mill, 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
Shermans Mill, 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
Shermans Mill, 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).
Shermans Mill, Maine, USA
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