December weather forecastDunn Loring, VA
December
Weather in December
The first month of the winter, December, is still a chilly month in Dunn Loring, Virginia, with an average temperature ranging between min 33.1°F (0.6°C) and max 45.5°F (7.5°C).Temperature
As December arrives, Dunn Loring's weather displays a minor decrease in high-temperatures, transitioning from November's cool 54.1°F (12.3°C) to a chilly 45.5°F (7.5°C). During December, the nighttime temperature averages to a cold 33.1°F (0.6°C).Humidity
The months with the highest humidity are October and December, with an average relative humidity of 76%.Rainfall
In Dunn Loring, in December, it is raining for 6.9 days, with typically 0.67" (17mm) of accumulated precipitation. In Dunn Loring, during the entire year, the rain falls for 109 days and collects up to 9.29" (236mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Dunn Loring, in December, snow falls for 1.2 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, there are 10.3 snowfall days, and 2.28" (58mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:57 pm EST.
Sunshine
February and December, with an average of 5.1h of sunshine, are months with the least sunshine.UV index
January, 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 rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dunn Loring, VA
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Dunn Loring, VA
- 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
Dunn Loring, VA
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Dunn Loring, VA
- Average humidity in December: 76%
The months with the highest relative humidity are October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Dunn Loring, VA
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is August (1.5").
The driest months (with the least rainfall) are January and September (0.51").
Average rainfall days in December
Dunn Loring, VA
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in December
Dunn Loring, VA
- Average snowfall in December: 0.28"
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
Dunn Loring, VA
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (3.6 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
Dunn Loring, VA
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Dunn Loring, VA
- Average sunshine days in December: 22 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in December
Dunn Loring, 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, November and December (UV index 2).
Average cloud cover in December
Dunn Loring, VA
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Dunn Loring, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





