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 signals a decrease in the average high-temperature, transitioning from a chilly 44.2°F (6.8°C) in November to a cold 33.1°F (0.6°C). During December, Acton experiences a consistent low-temperature average of 21.7°F (-5.7°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Acton, Maine, in December, it is raining for 8.8 days, with typically 3.11" (79mm) of accumulated precipitation. In Acton, during the entire year, the rain falls for 138 days and collects up to 30.08" (764mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Acton. In Acton, in December, snow falls for 8.9 days, with typically accumulated 7.2" (183mm) of snow. Throughout the year, in Acton, there are 48.9 snowfall days, and 38.15" (969mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:57 am and sunset at 4:08 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:17 pm EST.
Sunshine
In Acton, the average sunshine in December is 4.7h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is it in Acton in December?
What is the average humidity in December in Acton?
How much does it rain in Acton in December?
How much does it snow in Acton in December?
What is the month with the shortest days in Acton?
What is the average length of the day in December in Acton?
What time are sunrise and sunset in December in Acton?
How long on average sun shines in December in Acton?
What is the UV index reading in December in Acton?
Average temperature in December
Acton, ME
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in December: 21.7°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in December
Acton, ME
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Acton, ME
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Acton, ME
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in December
Acton, ME
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Acton, ME
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Acton, ME
- Average snowfall in December: 7.2"
The month with the highest snowfall is February (9.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Acton, ME
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Acton, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Acton, ME
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in December
Acton, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Acton, ME
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Acton, ME
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Acton, Maine, USA
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