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 from November to December involves a decrease in the average high-temperature, from a wintry 40.1°F (4.5°C) to a subzero cold 28.9°F (-1.7°C). During the nights in December, Granville observes an average low-temperature of 18.7°F (-7.4°C).Humidity
In Granville, the average relative humidity in December is 86%.Rainfall
In December, in Granville, the rain falls for 5 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Granville, during the entire year, the rain falls for 110.1 days and collects up to 15.55" (395mm) of precipitation.Snowfall
Months with snowfall in Granville are January through May, October through December. In Granville, during December, snow falls for 15.4 days and regularly aggregates up to 5.08" (129mm) of snow. Throughout the year, in Granville, there are 86.6 snowfall days, and 36.97" (939mm) of snow is accumulated.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 7:06 am and sunset at 4:14 pm. On the last day of December, in Granville, Vermont, sunrise is at 7:25 am and sunset at 4:23 pm EST.
Sunshine
In Granville, Vermont, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Granville in December?
What is the average humidity in December in Granville?
How many days does it rain in December in Granville?
How much does it snow in Granville in December?
What is the month with the shortest days in Granville?
What is the average length of the day in December in Granville?
What time are sunrise and sunset in December in Granville?
How long on average sun shines in December in Granville?
What are the months with the lowest UV index in Granville?
What is the UV index reading in December in Granville?
Average temperature in December
Granville, VT
- Average high temperature in December: 28.9°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 18.7°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 (10.9°F).
Average pressure in December
Granville, VT
- Average pressure in December: 30.05"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
Granville, VT
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Granville, VT
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in December
Granville, VT
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is June (1.73").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days in December
Granville, VT
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in December
Granville, VT
- Average snowfall in December: 5.08"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Granville, VT
- Average snowfall days in December: 15.4 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Granville, VT
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Granville, VT
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in December
Granville, 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, February and December (UV index 1).
Average cloud cover in December
Granville, VT
- Average cloud cover in December: 70
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in December
Granville, VT
- 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).
Granville, Vermont, USA
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