December weather forecastWest Union, WV
December
Weather in December
December, the first month of the winter in West Union, is also a wintry month, with an average temperature ranging between min 30.6°F (-0.8°C) and max 42.1°F (5.6°C).Temperature
In December, the average high-temperature marginally drops from a fresh 50.7°F (10.4°C) in November to a wintry 42.1°F (5.6°C). West Union's nighttime temperature during December is consistently averaged at a subzero cold 30.6°F (-0.8°C).Humidity
In West Union, the average relative humidity in December is 82%.Rainfall
In West Union, West Virginia, in December, it is raining for 12.7 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, in West Union, there are 186.8 rainfall days, and 38.7" (983mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in West Union, West Virginia. In December, it is snowing for 12.3 days. Throughout December, 5.43" (138mm) of snow is accumulated. Throughout the year, in West Union, there are 58.9 snowfall days, and 29.41" (747mm) of snow is accumulated.Daylight
December has the shortest days of the year in West Union, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:24 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in December in West Union is 3.7h.UV index
The months with the lowest UV index in West Union are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Union, WV
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
West Union, WV
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
West Union, WV
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
West Union, WV
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).
Average rainfall in December
West Union, WV
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
West Union, WV
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in December
West Union, WV
- Average snowfall in December: 5.43"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Union, WV
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Union, WV
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 3h and 42min
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 12min).
Average sunshine days in December
West Union, WV
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in December
West Union, WV
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
West Union, 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
West Union, 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).





