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
As December commences, the average high-temperature shows a reduction, transitioning from a chilly 44.1°F (6.7°C) in November to a cold 34.2°F (1.2°C). In Greenlaws Corner, December nights cool down to an average of 24.1°F (-4.4°C).Humidity
The average relative humidity in December is 79%.Rainfall
December is the month with the most rainfall. Rain falls for 10.1 days and accumulates 2.72" (69mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Greenlaws Corner, during December, snow falls for 8.9 days and regularly aggregates up to 2.28" (58mm) of snow. In Greenlaws Corner, during the entire year, snow falls for 44.3 days and aggregates up to 16.81" (427mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 3:58 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:06 pm EST.
Sunshine
In December, the average sunshine is 4.4h.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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Greenlaws Corner have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Greenlaws Corner have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Greenlaws Corner, ME
- Average high temperature in December: 34.2°F
The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Greenlaws Corner, 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
Greenlaws Corner, ME
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Greenlaws Corner, ME
- Average humidity in December: 79%
The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in December
Greenlaws Corner, ME
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").
Average rainfall days in December
Greenlaws Corner, ME
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in December
Greenlaws Corner, ME
- Average snowfall in December: 2.28"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greenlaws Corner, ME
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenlaws Corner, 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 2min
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
Greenlaws Corner, ME
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in December
Greenlaws Corner, 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
Greenlaws Corner, ME
- Average cloud cover in December: 52
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in December
Greenlaws Corner, ME
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Greenlaws Corner, Maine, USA
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