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 cold 41.9°F (5.5°C) in November to a freezing cold 30.4°F (-0.9°C). Nighttime temperatures in December average to a still subzero cold 19.8°F (-6.8°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Dexter, during December, the rain falls for 7.3 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Dexter, during the entire year, the rain falls for 120.7 days and collects up to 15.79" (401mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Dexter, in December, during 9.4 snowfall days, 3.07" (78mm) of snow is typically accumulated. In Dexter, during the entire year, snow falls for 48.1 days and aggregates up to 17.32" (440mm) of snow.Daylight
The month with the shortest days in Dexter is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 3:56 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:05 pm EST.
Sunshine
In Dexter, the average sunshine in December is 4.2h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Dexter, Maine. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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 Dexter?
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?
What time are sunrise and sunset in December?
How long on average sun shines in December in Dexter?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Dexter, ME
- Average high temperature in December: 30.4°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 (24.8°F).
- Average low temperature in December: 19.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in December
Dexter, ME
- Average pressure in December: 30.01"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
Dexter, ME
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Dexter, ME
- Average humidity in December: 82%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in December
Dexter, ME
- Average rainfall in December: 1.22"
The wettest months (with the highest rainfall) are April, June and October (1.73").
The driest months (with the least rainfall) are February and March (0.91").
Average rainfall days in December
Dexter, ME
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Dexter, ME
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dexter, ME
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dexter, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Dexter, ME
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in December
Dexter, 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
Dexter, ME
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 40).
Average visibility in December
Dexter, 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).
Dexter, Maine, USA
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