December weather forecastSheppards, VA
December
Weather in December
The first month of the winter, December, is also a frosty month in Sheppards, Virginia, with an average temperature varying between 34.5°F (1.4°C) and 48.7°F (9.3°C).Temperature
The arrival of December signals a subtle shift in temperature, down from a refreshing 56.3°F (13.5°C) in November to a frosty 48.7°F (9.3°C). The mean low-temperature during December nights in Sheppards, Virginia, is a cold 34.5°F (1.4°C).Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Sheppards, in December, it is raining for 10.3 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 159.5 rainfall days, and 31.1" (790mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Sheppards, Virginia. In December, it is snowing for 1.5 days. Throughout December, 1.89" (48mm) of snow is accumulated. Throughout the year, in Sheppards, there are 11.7 snowfall days, and 9.41" (239mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:10 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:06 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sheppards, VA
- Average high temperature in December: 48.7°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Sheppards, VA
- Average pressure in December: 30.13"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
Sheppards, VA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Sheppards, VA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Sheppards, VA
- Average rainfall in December: 2.68"
The wettest months (with the highest rainfall) are February and May (2.95").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Sheppards, VA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Sheppards, VA
- Average snowfall in December: 1.89"
The month with the highest snowfall is March (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sheppards, VA
- Average snowfall days in December: 1.5 days
The months with the highest number of snowfall days are January and February (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sheppards, VA
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Sheppards, VA
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Sheppards, VA
- 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 and December (UV index 2).
Average cloud cover in December
Sheppards, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Sheppards, VA
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, May, September and December (5mi).
