December weather forecastMarlboro, VT
December
Weather in December
December, the first month of the winter in Marlboro, is also an icy month, with an average temperature fluctuating between 33.4°F (0.8°C) and 22.6°F (-5.2°C).Temperature
December's onset corresponds with a shift in the average high-temperature, moving from a chilly 44.4°F (6.9°C) in November to a cold 33.4°F (0.8°C). December nights in Marlboro are marked by an average low-temperature of 22.6°F (-5.2°C).Humidity
The average relative humidity in December in Marlboro is 82%.Rainfall
In Marlboro, during December, the rain falls for 6.6 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Marlboro, during the entire year, the rain falls for 91.5 days and collects up to 7.8" (198mm) of precipitation.Snowfall
Months with snowfall in Marlboro are January through April, October through December. In Marlboro, in December, during 4.8 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, in Marlboro, there are 28.8 snowfall days, and 7.17" (182mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December in Marlboro, sunrise is at 7:02 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:26 pm EST.
Sunshine
The average sunshine in December in Marlboro is 4.9h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Caution! The reflection of snow can nearly 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
Marlboro, VT
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 22.6°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Marlboro, VT
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Marlboro, VT
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Marlboro, VT
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Marlboro, VT
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is November (0.87").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
Marlboro, VT
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in December
Marlboro, VT
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Marlboro, VT
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marlboro, VT
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Marlboro, VT
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in December
Marlboro, VT
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Marlboro, VT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Marlboro, VT
- Average visibility in December: 6mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
