December weather forecastWeyers Cave, VA
December
Weather in December
December, the first month of the winter in Weyers Cave, is still a chilly month, with an average temperature varying between 44.1°F (6.7°C) and 30°F (-1.1°C).Temperature
In Weyers Cave, entering December brings a subtle temperature decrement, reducing from November's fresh 52.5°F (11.4°C) to a chilly 44.1°F (6.7°C). The average temperature during December nights is registered at a freezing cold 30°F (-1.1°C).Humidity
In Weyers Cave, the average relative humidity in December is 77%.Rainfall
In Weyers Cave, during December, the rain falls for 9.6 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Weyers Cave, during the entire year, the rain falls for 164.3 days and collects up to 30.08" (764mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Weyers Cave, in December, snow falls for 3.3 days, with typically accumulated 2.44" (62mm) of snow. Throughout the year, there are 21.7 snowfall days, and 16.69" (424mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:55 pm. On the last day of December, in Weyers Cave, sunrise is at 7:32 am and sunset at 5:05 pm EST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year in Weyers Cave.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 estimate of 2, and below, represents 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:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Weyers Cave, VA
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 30°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 (24.3°F).
Average pressure in December
Weyers Cave, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Weyers Cave, VA
- Average wind speed in December: 5.5mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Weyers Cave, VA
- Average humidity in December: 77%
The months with the highest relative humidity are May, September and October (78%).
The months with the lowest relative humidity are January, June and July (74%).
Average rainfall in December
Weyers Cave, VA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
Weyers Cave, VA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
Weyers Cave, VA
- Average snowfall in December: 2.44"
The month with the highest snowfall is March (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Weyers Cave, VA
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Weyers Cave, VA
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Weyers Cave, VA
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Weyers Cave, 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
Weyers Cave, VA
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Weyers Cave, VA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
