December weather forecastDeWitt, VA
December
Weather in December
The first month of the winter, December, is still a cool month in DeWitt, Virginia, with an average temperature ranging between max 50.2°F (10.1°C) and min 35.4°F (1.9°C).Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a refreshing 57.6°F (14.2°C) in November to a cool 50.2°F (10.1°C). During the month of December, the temperature generally drops to a low average of 35.4°F (1.9°C).Humidity
With an average relative humidity of 78%, December is the most humid month.Rainfall
In DeWitt, Virginia, during December, the rain falls for 9.9 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, there are 138.7 rainfall days, and 19.72" (501mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, in DeWitt, Virginia, it is snowing for 1.1 days. Throughout December, 0.59" (15mm) of snow is accumulated. Throughout the year, there are 7.7 snowfall days, and 3.98" (101mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:03 pm EST.
Sunshine
The months with the least sunshine in DeWitt are February and December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index in DeWitt are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider carefully! The reflective quality of 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
DeWitt, VA
- Average high temperature in December: 50.2°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
DeWitt, VA
- Average pressure in December: 30.13"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
DeWitt, VA
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
DeWitt, 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 (71%).
Average rainfall in December
DeWitt, VA
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is October (1.14").
Average rainfall days in December
DeWitt, VA
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is October (7.5 days).
Average snowfall in December
DeWitt, VA
- Average snowfall in December: 0.59"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
DeWitt, VA
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
DeWitt, VA
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in December
DeWitt, VA
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
DeWitt, VA
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
DeWitt, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
DeWitt, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





