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 onset of December coincides with a reduction in the average high-temperature, falling from a frosty 44.6°F (7°C) in November to a wintry 33.3°F (0.7°C). In Steep Falls, in December, the average low-temperature is a freezing cold 23.2°F (-4.9°C).Humidity
The average relative humidity in December is 79%.Rainfall
In Steep Falls, in December, it is raining for 5.9 days, with typically 1.34" (34mm) of accumulated precipitation. In Steep Falls, during the entire year, the rain falls for 121.1 days and collects up to 16.3" (414mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Steep Falls, during December, snow falls for 5 days and regularly aggregates up to 2.99" (76mm) of snow. Throughout the year, in Steep Falls, there are 31.3 snowfall days, and 12.76" (324mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:06 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:15 pm EST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during December leads to these advisories:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days 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 Steep Falls have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index in Steep Falls?
What is the UV index reading in December?
Average temperature in December
Steep Falls, ME
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Steep Falls, ME
- Average pressure in December: 30.02"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Steep Falls, ME
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Steep Falls, ME
- Average humidity in December: 79%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Steep Falls, ME
- Average rainfall in December: 1.34"
The wettest months (with the highest rainfall) are June and October (1.77").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in December
Steep Falls, ME
- Average rainfall days in December: 5.9 days
The months with the highest number of rainy days are June and July (14.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in December
Steep Falls, ME
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Steep Falls, ME
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is February (7.9 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
Steep Falls, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Steep Falls, ME
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in December
Steep Falls, 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, October, November and December (UV index 2).
Average cloud cover in December
Steep Falls, ME
- Average cloud cover in December: 48
The months with the most cloud cover are February and March (Cloud cover 50).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in December
Steep Falls, ME
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Steep Falls, Maine, USA
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