December weather forecast
Damascus, VA

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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.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

In December, the average high-temperature and low-temperature are 44.4°F (6.9°C) and 30.9°F (-0.6°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How much does it rain in December?

In Damascus, in December, during 14.1 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 8.2 days. Throughout December, 4.06" (103mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

How many hours of daylight does Damascus have in December?

The average day length in December is 9h and 43min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:21 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.2h.

When is the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

In Damascus, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Damascus, VA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Damascus, VA
  • Average daylight in December: 9h and 4min

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 1min

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 - 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 - 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 - 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 - 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).

Damascus, Virginia, USA

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