December weather forecastShack Mills, VA
December
Weather in December
The first month of the winter, December, is still a chilly month in Shack Mills, Virginia, with an average temperature ranging between min 30.6°F (-0.8°C) and max 44.2°F (6.8°C).Temperature
As December arrives, Shack Mills's weather displays a minor decrease in high-temperatures, transitioning from November's fresh 52.3°F (11.3°C) to a chilly 44.2°F (6.8°C). Nighttime temperature in Shack Mills, Virginia, experiences an average drop to a freezing cold 30.6°F (-0.8°C) in December.Humidity
In Shack Mills, the average relative humidity in December is 80%.Rainfall
In Shack Mills, in December, it is raining for 10.2 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 155.9 rainfall days, and 23.31" (592mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 6.8 days and accumulates 4.65" (118mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December in Shack Mills, sunrise is at 7:23 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:20 pm EST.
Sunshine
In December, the average sunshine is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Shack Mills. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Shack Mills, VA
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in December
Shack Mills, 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
Shack Mills, VA
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Shack Mills, VA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Shack Mills, VA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is February (2.72").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in December
Shack Mills, VA
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Shack Mills, VA
- Average snowfall in December: 4.65"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Shack Mills, VA
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shack Mills, VA
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 48min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Shack Mills, VA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Shack Mills, VA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Shack Mills, VA
- Average cloud cover in December: 55
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Shack Mills, 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).
