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 start of December involves a subtle temperature drop, shifting from a frosty 47.3°F (8.5°C) in November to a cold 39.7°F (4.3°C). Matinicus encounters a negligible difference from daytime peaks throughout the December nights, with a low-temperature average of 32.4°F (0.2°C).Humidity
In Matinicus, the average relative humidity in December is 77%.Rainfall
In Matinicus, in December, it is raining for 9 days, with typically 0.91" (23mm) of accumulated precipitation. In Matinicus, during the entire year, the rain falls for 109.9 days and collects up to 9.72" (247mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Matinicus, during December, snow falls for 7.3 days and regularly aggregates up to 0.67" (17mm) of snow. In Matinicus, Maine, during the entire year, snow falls for 30.9 days and aggregates up to 2.91" (74mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 3:59 pm. On the last day of December, sunrise is at 7:09 am and sunset at 4:08 pm EST.
Sunshine
With an average of 4.3h of sunshine, December has the least sunshine of the year.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 low threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much 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?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Matinicus, ME
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is August (65.7°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Matinicus, ME
- Average pressure in December: 29.99"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
Matinicus, ME
- Average wind speed in December: 18.8mph
The windiest month (with the highest average wind speed) is January (19.4mph).
The calmest months (with the lowest average wind speed) are July and August (10.3mph).
Average humidity in December
Matinicus, ME
- Average humidity in December: 77%
The months with the highest relative humidity are June, July and August (86%).
The month with the lowest relative humidity is November (74%).
Average rainfall in December
Matinicus, ME
- Average rainfall in December: 0.91"
The wettest months (with the highest rainfall) are October and November (1.02").
The driest months (with the least rainfall) are August and September (0.55").
Average rainfall days in December
Matinicus, ME
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (11.6 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Matinicus, ME
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Matinicus, ME
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (9.1 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
Matinicus, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in December
Matinicus, ME
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in December
Matinicus, ME
- Average UV index in December: 2
The months with the highest UV index are 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
Matinicus, ME
- Average cloud cover in December: 54
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Matinicus, 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).
Matinicus, Maine, USA
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