December weather forecastPleasant Valley, WV
December
Weather in December
December witnesses a prominence of cold weather, with significant snowfall of 5.28" (134mm) in Pleasant Valley. The year concludes with a chilled ambiance encapsulated with festive spirits and snow-coated streets. The transition from November's crisp winds to December’s snowy weather marks the official commencement of winter. The average daylight time reduces significantly, as do temperature levels. Even though January follows with even colder weather, December, too, is synonymous with winter in Pleasant Valley.Temperature
The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a cool 50.4°F (10.2°C) in November to an icy 41.7°F (5.4°C). Pleasant Valley encounters an average low-temperature of 29.7°F (-1.3°C) during December nights.Humidity
In Pleasant Valley, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 182.4 rainfall days, and 36.1" (917mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Pleasant Valley, in December, during 12.2 snowfall days, 5.28" (134mm) of snow is typically accumulated. In Pleasant Valley, during the entire year, snow falls for 58.4 days and aggregates up to 29.09" (739mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:22 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:07 pm EST.
Sunshine
In Pleasant Valley, the average sunshine in December is 3.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pleasant Valley, WV
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Pleasant Valley, 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 (29.96"Hg).
Average wind speed in December
Pleasant Valley, WV
- Average wind speed in December: 6.4mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Pleasant Valley, WV
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Pleasant Valley, WV
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Pleasant Valley, WV
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in December
Pleasant Valley, WV
- Average snowfall in December: 5.28"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pleasant Valley, WV
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pleasant Valley, 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 42min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Pleasant Valley, WV
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in December
Pleasant Valley, WV
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Pleasant Valley, WV
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Pleasant Valley, 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).
