December weather forecastDamascus, VA
December
Weather in December
December, the first month of the winter in Damascus, is also a frosty month, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 44.4°F (6.9°C).Temperature
Damascus's progression into December involves a gentle drop in the average high-temperature, from a cool 52.3°F (11.3°C) in November to a frosty 44.4°F (6.9°C). In December, Damascus experiences an average nighttime temperature of 30.9°F (-0.6°C).Humidity
In Damascus, the average relative humidity in December is 80%.Rainfall
In Damascus, in December, during 14.1 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 186.7 rainfall days, and 29.02" (737mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Damascus, in December, snow falls for 8.2 days, with typically accumulated 4.06" (103mm) of snow. Throughout the year, there are 42.6 snowfall days, and 19.8" (503mm) 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 the month, sunrise is at 7:21 am and sunset at 5:11 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:21 pm EST.
Sunshine
In Damascus, the average sunshine in December is 5.2h.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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Consider this! The reflection from 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
Damascus, VA
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Damascus, VA
- 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 (29.99"Hg).
Average wind speed in December
Damascus, VA
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January and April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Damascus, VA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Damascus, VA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is February (3.43").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Damascus, VA
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in December
Damascus, VA
- Average snowfall in December: 4.06"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Damascus, VA
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is February (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Damascus, VA
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Damascus, VA
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in December
Damascus, VA
- Average UV index in December: 2
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Damascus, VA
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June and August (Cloud cover 35).
Average visibility in December
Damascus, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





