December weather forecastDeep Water, WV
December
Weather in December
The first month of the winter, December, is still a chilly month in Deep Water, West Virginia, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 31.5°F (-0.3°C).Temperature
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a fresh 52.3°F (11.3°C) to a frosty 43.5°F (6.4°C). In Deep Water, the average nighttime temperature during December is a subzero cold 31.5°F (-0.3°C).Humidity
In Deep Water, the average relative humidity in December is 81%.Rainfall
In Deep Water, West Virginia, in December, it is raining for 14.5 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, in Deep Water, West Virginia, there are 193.3 rainfall days, and 35.98" (914mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Deep Water, in December, snow falls for 8.7 days, with typically accumulated 4.17" (106mm) of snow. Throughout the year, there are 45.1 snowfall days, and 22.2" (564mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Deep Water.On the first day of the month, sunrise is at 7:23 am and sunset at 5:05 pm. On the last day of December, in Deep Water, sunrise is at 7:41 am and sunset at 5:15 pm EST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Deep Water, West Virginia. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Deep Water, WV
- Average high temperature in December: 43.5°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 (37.9°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Deep Water, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Deep Water, WV
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Deep Water, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in December
Deep Water, WV
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Deep Water, WV
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).
Average snowfall in December
Deep Water, WV
- Average snowfall in December: 4.17"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Deep Water, WV
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Deep Water, WV
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Deep Water, WV
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in December
Deep Water, WV
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Deep Water, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Deep Water, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).





