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 shift to December brings a decrease in the average high-temperature, falling from a chilly 43.7°F (6.5°C) in November to a cold 32.7°F (0.4°C). December brings with it a nighttime average temperature of 23°F (-5°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Rupert, in December, during 11.9 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, there are 159.1 rainfall days, and 29.69" (754mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rupert, during December, snow falls for 11.5 days and regularly aggregates up to 6.18" (157mm) of snow. In Rupert, during the entire year, snow falls for 64.7 days and aggregates up to 36.81" (935mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:18 pm. On the last day of December, in Rupert, sunrise is at 7:24 am and sunset at 4:27 pm EST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. 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. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rupert have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Rupert, VT
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Rupert, 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
Rupert, VT
- Average wind speed in December: 6.7mph
The windiest months (with the highest average wind speed) are January and April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Rupert, VT
- Average humidity in December: 81%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Rupert, VT
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Rupert, VT
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Rupert, VT
- Average snowfall in December: 6.18"
The month with the highest snowfall is February (10.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rupert, VT
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rupert, VT
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Rupert, VT
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (10.8 days).
Average UV index in December
Rupert, VT
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Rupert, VT
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in December
Rupert, VT
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Rupert, Vermont, USA
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