December weather forecastVanceboro, ME
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Vanceboro, Maine, with temperature in the range of an average high of 29.7°F (-1.3°C) and an average low of 18.5°F (-7.5°C).Temperature
During the transition into December, Vanceboro observes a decrease in the average high-temperature, falling from a wintry 41.2°F (5.1°C) in November to a subzero cold 29.7°F (-1.3°C). Vanceboro, during the nights of December, experiences an average temperature drop to 18.5°F (-7.5°C).Humidity
In Vanceboro, the average relative humidity in December is 86%.Rainfall
The month with the most rainfall is December, when the rain falls for 9.5 days and typically aggregates up to 3.66" (93mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Vanceboro, in December, during 13.3 snowfall days, 10.43" (265mm) of snow is typically accumulated. In Vanceboro, during the entire year, snow falls for 78.1 days and aggregates up to 51.97" (1320mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Vanceboro.On the first day of December, sunrise is at 7:50 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 4:56 pm AST.
Sunshine
In Vanceboro, the average sunshine in December is 3.6h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 1 in December transforms into this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vanceboro, ME
- Average high temperature in December: 29.7°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Vanceboro, ME
- Average pressure in December: 29.99"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Vanceboro, ME
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Vanceboro, ME
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Vanceboro, ME
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is July (2.05").
Average rainfall days in December
Vanceboro, ME
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
Vanceboro, ME
- Average snowfall in December: 10.43"
The month with the highest snowfall is February (11.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Vanceboro, ME
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is February (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Vanceboro, ME
- Average daylight in December: 8h and 48min
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: 3h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in December
Vanceboro, ME
- Average sunshine days in December: 13 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in December
Vanceboro, ME
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Vanceboro, ME
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in December
Vanceboro, ME
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).





