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 brings a minor decrease, with the average high-temperature reducing from an icy 40.6°F (4.8°C) in November to a freezing cold 29.1°F (-1.6°C). Nighttime temperatures in December average to a still subzero cold 19.4°F (-7°C).Humidity
The average relative humidity in December is 82%.Rainfall
In December, the rain falls for 8.5 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. In Locke Mills, during the entire year, the rain falls for 125.5 days and collects up to 21.46" (545mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Locke Mills, during December, snow falls for 12 days and regularly aggregates up to 6.54" (166mm) of snow. Throughout the year, there are 67.1 snowfall days, and 47.64" (1210mm) of snow is accumulated.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 6:59 am and sunset at 4:04 pm. On the last day of December, in Locke Mills, sunrise is at 7:18 am and sunset at 4:13 pm EST.
Sunshine
In December, the average sunshine in Locke Mills is 4.6h.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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into 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. When the Sun is at its strongest around midday, find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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 in Locke Mills?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Locke Mills have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Locke Mills, ME
- Average high temperature in December: 29.1°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in December
Locke Mills, ME
- Average pressure in December: 30.02"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Locke Mills, ME
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Locke Mills, ME
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in December
Locke Mills, ME
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Locke Mills, ME
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Locke Mills, ME
- Average snowfall in December: 6.54"
The month with the highest snowfall is February (9.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Locke Mills, ME
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is March (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Locke Mills, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Locke Mills, ME
- Average sunshine days in December: 16 days
The month with the most sunshine days is September (18.4 days).
The months with the least sunshine days are June and July (14 days).
Average UV index in December
Locke Mills, 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
Locke Mills, ME
- Average cloud cover in December: 51
The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in December
Locke Mills, ME
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October, November and December (5mi).
The months with the lowest visibility are January, February, March, July, August and September (4mi).
Locke Mills, Maine, USA
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