December weather forecastHeals Corner, ME
December
Weather in December
The first month of the winter, December, is still a cold month in Heals Corner, Maine, with temperature in the range of an average high of 35.8°F (2.1°C) and an average low of 26.8°F (-2.9°C).Temperature
In December, the average high-temperature decreases from a frosty 44.8°F (7.1°C) in November to an icy 35.8°F (2.1°C). Heals Corner maintains a consistent average nighttime low-temperature of 26.8°F (-2.9°C) throughout December.Humidity
In December, the average relative humidity is 78%.Rainfall
December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.86" (98mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Heals Corner, in December, snow falls for 7.1 days, with typically accumulated 3.23" (82mm) of snow. In Heals Corner, during the entire year, snow falls for 38.7 days and aggregates up to 17.91" (455mm) of snow.Daylight
December has the shortest days of the year in Heals Corner, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 3:58 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:07 pm EST.
Sunshine
With an average of 4.6h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heals Corner, ME
- Average high temperature in December: 35.8°F
The warmest months (with the highest average high temperature) are July and August (70.3°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Heals Corner, 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
Heals Corner, ME
- Average wind speed in December: 12.6mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Heals Corner, ME
- Average humidity in December: 78%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Heals Corner, ME
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is July (1.73").
Average rainfall days in December
Heals Corner, ME
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Heals Corner, ME
- Average snowfall in December: 3.23"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Heals Corner, ME
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heals Corner, ME
- Average daylight in December: 8h and 54min
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 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Heals Corner, ME
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is April (11.5 days).
Average UV index in December
Heals Corner, 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
Heals Corner, ME
- Average cloud cover in December: 51
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Heals Corner, ME
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
