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
December implies a gentle temperature shift, with average high-temperatures reducing from November's wintry 40.1°F (4.5°C) to a subzero cold 28.2°F (-2.1°C). During the month of December, the temperature generally drops to a low average of 18.1°F (-7.7°C).Humidity
In Sherman Mills, the average relative humidity in December is 84%.Rainfall
In Sherman Mills, during December, the rain falls for 10.5 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Sherman Mills, during the entire year, the rain falls for 156.1 days and collects up to 26.89" (683mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sherman Mills, in December, during 14.5 snowfall days, 8.78" (223mm) of snow is typically accumulated. Throughout the year, there are 78.3 snowfall days, and 45.63" (1159mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 3:50 pm. On the last day of December, sunrise is at 7:14 am and sunset at 3:58 pm EST.
Sunshine
In December, the average sunshine in Sherman Mills is 4.1h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Sherman Mills?
When are sunrise and sunset in December in Sherman Mills?
How many hours of sunshine does Sherman Mills have in December?
When is the lowest UV index?
What is the UV index reading in December in Sherman Mills?
Average temperature in December
Sherman Mills, ME
- Average high temperature in December: 28.2°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 (22.6°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in December
Sherman Mills, ME
- Average pressure in December: 30"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Sherman Mills, ME
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Sherman Mills, ME
- Average humidity in December: 84%
The months with the highest relative humidity are February and March (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Sherman Mills, ME
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is April (2.83").
The driest months (with the least rainfall) are March and July (1.73").
Average rainfall days in December
Sherman Mills, ME
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Sherman Mills, ME
- Average snowfall in December: 8.78"
The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sherman Mills, ME
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is February (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sherman Mills, ME
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Sherman Mills, ME
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in December
Sherman Mills, ME
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Sherman Mills, ME
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Sherman Mills, 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).
Sherman Mills, Maine, USA
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