December weather forecastGreen Plain, VA
December
Weather in December
The first month of the winter, December, is also a fresh month in Green Plain, Virginia, with an average temperature fluctuating between 36.7°F (2.6°C) and 50.9°F (10.5°C).Temperature
The arrival of December suggests a slight decrease in the average high-temperature, moving from a mild 58.1°F (14.5°C) in November to a fresh 50.9°F (10.5°C). Green Plain, in the month of December, anticipates a consistent average low-temperature of 36.7°F (2.6°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Green Plain, during December, the rain falls for 11.6 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Green Plain, during the entire year, the rain falls for 167.6 days and collects up to 32.09" (815mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Green Plain, in December, during 0.8 snowfall days, 0.51" (13mm) of snow is typically accumulated. Throughout the year, there are 6.5 snowfall days, and 4.06" (103mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:04 pm EST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 5.5h of sunshine.UV index
January 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 average individuals.Note: The UV index of 2 during December leads to these advisories:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Green Plain, VA
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.2°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in December
Green Plain, VA
- Average pressure in December: 30.13"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
Green Plain, VA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Green Plain, VA
- Average humidity in December: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, February, April, July and November (74%).
Average rainfall in December
Green Plain, VA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is October (1.89").
Average rainfall days in December
Green Plain, VA
- Average rainfall days in December: 11.6 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Green Plain, VA
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Green Plain, VA
- Average snowfall days in December: 0.8 days
The months with the highest number of snowfall days are January and February (2.3 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
Green Plain, VA
- Average daylight in December: 9h and 42min
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 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Green Plain, VA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Green Plain, 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 and December (UV index 2).
Average cloud cover in December
Green Plain, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Green Plain, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
