December weather forecastSperryville, VA
December
Weather in December
The first month of the winter, December, is still a chilly month in Sperryville, Virginia, with temperature in the range of an average low of 29.5°F (-1.4°C) and an average high of 43.7°F (6.5°C).Temperature
With the arrival of December, Sperryville experiences a modest decline in average high-temperatures, transitioning from a cool 52°F (11.1°C) in November to a frosty 43.7°F (6.5°C). Sperryville usually reports an average low-temperature of 29.5°F (-1.4°C) during the month of December.Humidity
In Sperryville, the average relative humidity in December is 78%.Rainfall
In Sperryville, in December, during 7 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Sperryville, during the entire year, the rain falls for 116.3 days and collects up to 9.72" (247mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Sperryville, during December, snow falls for 2.4 days and regularly aggregates up to 0.51" (13mm) of snow. In Sperryville, during the entire year, snow falls for 15.9 days and aggregates up to 3.7" (94mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:12 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:01 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sperryville, VA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Sperryville, VA
- Average pressure in December: 30.12"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
Sperryville, VA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Sperryville, VA
- Average humidity in December: 78%
The months with the highest relative humidity are September and October (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in December
Sperryville, VA
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Sperryville, VA
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Sperryville, VA
- Average snowfall in December: 0.51"
The month with the highest snowfall is March (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sperryville, VA
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sperryville, VA
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Sperryville, VA
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in December
Sperryville, VA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sperryville, VA
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Sperryville, VA
- Average visibility in December: 5mi
The months with the highest visibility are February, July and November (6mi).
The months with the lowest visibility are January, March, April, May, June, August, September, October and December (5mi).
