December weather forecastChebeague Island, ME
December
Weather in December
The first month of the winter, December, is also an icy month in Chebeague Island, Maine, with an average temperature varying between 27.3°F (-2.6°C) and 36.3°F (2.4°C).Temperature
The onset of December entails a temperature shift, as the average high-temperature decreases from a frosty 45.7°F (7.6°C) in November to a wintry 36.3°F (2.4°C). Chebeague Island maintains a near steady average temperature of 27.3°F (-2.6°C) during the nights of December, demonstrating little drop from daytime highs.Humidity
The average relative humidity in December is 77%.Rainfall
In Chebeague Island, Maine, in December, during 8.2 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in Chebeague Island, there are 117.6 rainfall days, and 19.8" (503mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 5.5 days. Throughout December, 2.05" (52mm) of snow is accumulated. Throughout the year, there are 28.5 snowfall days, and 12.05" (306mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:54 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:13 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 vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chebeague Island, ME
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in December: 27.3°F
The months with the highest average low temperature are July and August (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Chebeague Island, ME
- Average pressure in December: 30.01"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Chebeague Island, ME
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Chebeague Island, ME
- Average humidity in December: 77%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).
Average rainfall in December
Chebeague Island, ME
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is October (2.28").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Chebeague Island, ME
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in December
Chebeague Island, ME
- Average snowfall in December: 2.05"
The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Chebeague Island, ME
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.9 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
Chebeague Island, ME
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- 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
Chebeague Island, ME
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is September (19 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in December
Chebeague Island, 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
Chebeague Island, ME
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Chebeague Island, 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).
