December weather forecastWynkoop Spring, WV
December
Weather in December
The first month of the winter, December, is also a frosty month in Wynkoop Spring, West Virginia, with an average temperature varying between 42.8°F (6°C) and 30.4°F (-0.9°C).Temperature
In Wynkoop Spring, entering December brings a temperature decrement, reducing from November's fresh 52°F (11.1°C) to a chilly 42.8°F (6°C). In Wynkoop Spring, December nights witness a steady temperature drop to a freezing cold 30.4°F (-0.9°C).Humidity
The months with the highest humidity in Wynkoop Spring are May, October and December, with an average relative humidity of 78%.Rainfall
In Wynkoop Spring, in December, during 10.3 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Wynkoop Spring, during the entire year, the rain falls for 169.2 days and collects up to 32.6" (828mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Wynkoop Spring, in December, snow falls for 4.3 days, with typically accumulated 2.8" (71mm) of snow. In Wynkoop Spring, during the entire year, snow falls for 22.7 days and aggregates up to 14.21" (361mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:58 pm EST.
Sunshine
In Wynkoop Spring, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wynkoop Spring, WV
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Wynkoop Spring, WV
- Average pressure in December: 30.11"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
Wynkoop Spring, WV
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January, February, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Wynkoop Spring, WV
- Average humidity in December: 78%
The months with the highest relative humidity are May, October and December (78%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Wynkoop Spring, WV
- Average rainfall in December: 2.48"
The wettest months (with the highest rainfall) are May and July (3.54").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in December
Wynkoop Spring, WV
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Wynkoop Spring, WV
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Wynkoop Spring, WV
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Wynkoop Spring, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Wynkoop Spring, WV
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Wynkoop Spring, 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
Wynkoop Spring, WV
- Average cloud cover in December: 48
The months with the most cloud cover are March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Wynkoop Spring, WV
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).





