Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a moderate 55.9°F (13.3°C) in November to a chilly 47.7°F (8.7°C). Throughout December nights, Running Still experiences a consistent temperature average of 33.6°F (0.9°C).Humidity
The most humid month in Running Still is December, with an average relative humidity of 78%.Rainfall
In Running Still, Virginia, in December, it is raining for 10.7 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 155.5 rainfall days, and 29.69" (754mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, in Running Still, it is snowing for 2 days. Throughout December, 1.5" (38mm) of snow is accumulated. In Running Still, during the entire year, snow falls for 13.3 days and aggregates up to 9.02" (229mm) of snow.Daylight
The month with the shortest days in Running Still is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:53 pm. On the last day of December, in Running Still, sunrise is at 7:26 am and sunset at 5:03 pm EST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Running Still. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
What are December temperatures in Running Still?
What is the most humid month in Running Still?
What is the average humidity in December in Running Still?
How many days does it rain in December in Running Still?
How many days does it snow in December in Running Still?
What is the month with the shortest days in Running Still?
How many hours of daylight does Running Still have in December?
When are sunrise and sunset in December in Running Still?
What is the month with the least sunshine in Running Still?
How long on average sun shines in December in Running Still?
When is the lowest UV index in Running Still?
What is the UV index reading in December in Running Still?
Average temperature in December
Running Still, VA
- Average high temperature in December: 47.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in December: 33.6°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Running Still, 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 (29.95"Hg).
Average wind speed in December
Running Still, VA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Running Still, VA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Running Still, VA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Running Still, VA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Running Still, VA
- Average snowfall in December: 1.5"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Running Still, VA
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Running Still, VA
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 5h and 1min
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 6min).
Average sunshine days in December
Running Still, VA
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Running Still, VA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Running Still, VA
- Average cloud cover in December: 45
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
Running Still, VA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, May, September and December (5mi).
Running Still, Virginia, USA
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