December weather forecastGranville, WV
December
Weather in December
December, the first month of the winter in Granville, is still a cold month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 40.6°F (4.8°C).Temperature
Arrival of December comes with a reduction in the average high-temperature, falling from a cool 50°F (10°C) in November to an icy 40.6°F (4.8°C). In the month of December, Granville witnesses a consistent average low-temperature of 29.3°F (-1.5°C).Humidity
The average relative humidity in December in Granville is 83%.Rainfall
In Granville, West Virginia, in December, it is raining for 13 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, in Granville, there are 187.8 rainfall days, and 36.46" (926mm) of precipitation is accumulated.Snowfall
Months with snowfall in Granville are January through May, October through December. In December, it is snowing for 13.1 days. Throughout December, 6.14" (156mm) of snow is accumulated. Throughout the year, in Granville, there are 63.1 snowfall days, and 32.32" (821mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:56 pm. On the last day of December, in Granville, sunrise is at 7:40 am and sunset at 5:05 pm EST.
Sunshine
In Granville, West Virginia, the average sunshine in December is 3.8h.UV index
December is the month with the lowest UV index in Granville, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Boost your sun resistance with garments that are densely woven yet spacious. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Granville, WV
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Granville, WV
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Granville, WV
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Granville, WV
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
Granville, WV
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Granville, WV
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (11.1 days).
Average snowfall in December
Granville, WV
- Average snowfall in December: 6.14"
The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Granville, WV
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is January (17 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, WV
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Granville, WV
- Average sunshine days in December: 10 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.7 days).
Average UV index in December
Granville, WV
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Granville, WV
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Granville, WV
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
