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 commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a frosty 45.5°F (7.5°C) in November to a cold 37°F (2.8°C). Spruce Head's average nighttime temperature in December modestly descends to a freezing cold 28.4°F (-2°C).Humidity
The average relative humidity in December is 77%.Rainfall
December is the month with the most rainfall. Rain falls for 11.3 days and accumulates 3.35" (85mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Spruce Head, in December, during 6.5 snowfall days, 1.81" (46mm) of snow is typically accumulated. In Spruce Head, during the entire year, snow falls for 33.1 days and aggregates up to 12.36" (314mm) of snow.Daylight
The month with the shortest days in Spruce Head is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 6:51 am and sunset at 3:59 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:08 pm EST.
Sunshine
With an average of 4.5h of sunshine, December has the least sunshine of the year in Spruce Head.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 low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Spruce Head?
What is the average humidity in December in Spruce Head?
What is the rainiest month in Spruce Head?
How much does it rain in Spruce Head in December?
How many days does it snow in December in Spruce Head?
What is the month with the shortest days in Spruce Head?
How many hours of daylight does Spruce Head have in December?
When are sunrise and sunset in December in Spruce Head?
What is the month with the least sunshine in Spruce Head?
How many hours of sunshine does Spruce Head have in December?
What is the month with the lowest UV index in Spruce Head?
What is the UV index intensity in December in Spruce Head?
Average temperature in December
Spruce Head, ME
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is August (68.7°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is August (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in December
Spruce Head, 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
Spruce Head, ME
- Average wind speed in December: 14.4mph
The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).
Average humidity in December
Spruce Head, ME
- Average humidity in December: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Spruce Head, ME
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Spruce Head, ME
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Spruce Head, ME
- Average snowfall in December: 1.81"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Spruce Head, ME
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Spruce Head, 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 3min
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 30min).
Average sunshine days in December
Spruce Head, ME
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.5 days).
Average UV index in December
Spruce Head, 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
Spruce Head, 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
Spruce Head, 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).
Spruce Head, Maine, USA
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