December weather forecastSheldon, VT
December
Weather in December
December, the first month of the winter in Sheldon, is still a freezing cold month, with an average temperature fluctuating between 18.3°F (-7.6°C) and 28.8°F (-1.8°C).Temperature
December brings a minor decrease, with the average high-temperature reducing from an icy 40.3°F (4.6°C) in November to a freezing cold 28.8°F (-1.8°C). In the month of December, an average of 18.3°F (-7.6°C) marks the low-temperature.Humidity
The average relative humidity in December is 87%.Rainfall
In Sheldon, Vermont, in December, it is raining for 10.3 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, there are 168.6 rainfall days, and 33.82" (859mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Sheldon, during December, snow falls for 18.5 days and regularly aggregates up to 9.92" (252mm) of snow. Throughout the year, there are 99.8 snowfall days, and 61.54" (1563mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:20 pm EST.
Sunshine
The average sunshine in December in Sheldon is 3.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sheldon, VT
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in December: 18.3°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 (9.7°F).
Average pressure in December
Sheldon, VT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Sheldon, VT
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Sheldon, VT
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Sheldon, VT
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are February and September (2.28").
Average rainfall days in December
Sheldon, VT
- Average rainfall days in December: 10.3 days
The months with the highest number of rainy days are June and July (19.4 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Sheldon, VT
- Average snowfall in December: 9.92"
The month with the highest snowfall is January (14.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sheldon, VT
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sheldon, VT
- 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: 3h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Sheldon, VT
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (6.1 days).
Average UV index in December
Sheldon, VT
- 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 January and December (UV index 1).
Average cloud cover in December
Sheldon, VT
- Average cloud cover in December: 71
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Sheldon, VT
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).





