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
Transition into December marks a drop in the average high-temperature, moving from an icy 40.1°F (4.5°C) in November to a freezing cold 28.6°F (-1.9°C). December nights in Greeleys Landing, Maine, experience a consistent temperature drop to 18.3°F (-7.6°C).Humidity
The average relative humidity in December is 84%.Rainfall
In Greeleys Landing, during December, the rain falls for 9.6 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, in Greeleys Landing, there are 152.4 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
Months with snowfall in Greeleys Landing are January through May, October through December. In Greeleys Landing, Maine, in December, during 12.8 snowfall days, 4.61" (117mm) of snow is typically accumulated. In Greeleys Landing, Maine, during the entire year, snow falls for 71.8 days and aggregates up to 27.28" (693mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Greeleys Landing, Maine.On the first day of December in Greeleys Landing, sunrise is at 6:56 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:04 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
The months with the lowest UV index in Greeleys Landing are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is it in Greeleys Landing in December?
What is the average humidity in December in Greeleys Landing?
How many days does it rain in December in Greeleys Landing?
How many days does it snow in December in Greeleys Landing?
What is the month with the shortest days in Greeleys Landing?
What is the average length of the day in December in Greeleys Landing?
What time are sunrise and sunset in December in Greeleys Landing?
How many hours of sunshine does Greeleys Landing have in December?
When is the lowest UV index in Greeleys Landing?
How high is the UV index in December in Greeleys Landing?
Average temperature in December
Greeleys Landing, ME
- Average high temperature in December: 28.6°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 (23.4°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Greeleys Landing, ME
- Average pressure in December: 30.01"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Greeleys Landing, ME
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Greeleys Landing, ME
- Average humidity in December: 84%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Greeleys Landing, ME
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is April (2.24").
The driest months (with the least rainfall) are February and March (1.22").
Average rainfall days in December
Greeleys Landing, ME
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Greeleys Landing, ME
- Average snowfall in December: 4.61"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greeleys Landing, ME
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greeleys Landing, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Greeleys Landing, ME
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (10.4 days).
Average UV index in December
Greeleys Landing, ME
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Greeleys Landing, ME
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 41).
Average visibility in December
Greeleys Landing, 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).
Greeleys Landing, Maine, USA
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