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
December's onset corresponds with a shift in the average high-temperature, moving from a chilly 43.3°F (6.3°C) in November to a wintry 32.2°F (0.1°C). Throughout December, Stillwater's nights cool down to an average of 21.6°F (-5.8°C).Humidity
In December, the average relative humidity is 81%.Rainfall
The month with the most rainfall in Stillwater is December, when the rain falls for 10.6 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
Months with snowfall in Stillwater are January through May, October through December. In Stillwater, Maine, during December, snow falls for 11.2 days and regularly aggregates up to 6.61" (168mm) of snow. In Stillwater, during the entire year, snow falls for 61.1 days and aggregates up to 36.34" (923mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:53 am and sunset at 3:54 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:03 pm EST.
Sunshine
In December, the average sunshine in Stillwater is 4.3h.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 unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is December in Stillwater?
What is the average humidity in December in Stillwater?
What is the rainiest month in Stillwater?
How much does it rain in Stillwater in December?
How many days does it snow in December in Stillwater?
What is the month with the shortest days in Stillwater?
How many hours of daylight does Stillwater have in December?
What time are sunrise and sunset in December in Stillwater?
How long on average sun shines in December in Stillwater?
When is the lowest UV index in Stillwater?
How high is the UV index in December in Stillwater?
Average temperature in December
Stillwater, ME
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Stillwater, 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
Stillwater, ME
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Stillwater, ME
- Average humidity in December: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Stillwater, ME
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in December
Stillwater, ME
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Stillwater, ME
- Average snowfall in December: 6.61"
The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Stillwater, ME
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stillwater, 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: 3h and 54min).
Average sunshine days in December
Stillwater, ME
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (10.1 days).
Average UV index in December
Stillwater, 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
Stillwater, ME
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Stillwater, ME
- Average visibility in December: 5mi
The month with the highest visibility is October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (5mi).
Stillwater, Maine, USA
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