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
December comes with a drop in the average high-temperature, falling from November's cold 40.1°F (4.5°C) to a subzero cold 28.6°F (-1.9°C). Throughout December, Graniteville experiences a low-temperature average of 19°F (-7.2°C).Humidity
In December, the average relative humidity is 86%.Rainfall
In Graniteville, in December, during 10.4 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Graniteville, during the entire year, the rain falls for 166.6 days and collects up to 32.01" (813mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Graniteville, Vermont, during December, snow falls for 21 days and regularly aggregates up to 9.37" (238mm) of snow. Throughout the year, there are 107.7 snowfall days, and 58.82" (1494mm) 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 the month, sunrise is at 7:05 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:21 pm EST.
Sunshine
In December, the average sunshine is 3.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is 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?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Graniteville, VT
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in December: 19°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 (10.8°F).
Average pressure in December
Graniteville, VT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Graniteville, VT
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Graniteville, VT
- 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 (76%).
Average rainfall in December
Graniteville, VT
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Graniteville, VT
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Graniteville, VT
- Average snowfall in December: 9.37"
The month with the highest snowfall is February (13.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Graniteville, VT
- Average snowfall days in December: 21 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Graniteville, VT
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in December
Graniteville, VT
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in December
Graniteville, VT
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Graniteville, VT
- Average cloud cover in December: 70
The months with the most cloud cover are January and February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Graniteville, 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).
Graniteville, Vermont, USA
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