December weather forecastKeene Mill Manor, VA
December
Weather in December
December, the first month of the winter in Keene Mill Manor, is also a frosty month, with an average temperature ranging between min 32.9°F (0.5°C) and max 45.7°F (7.6°C).Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a fresh 54.5°F (12.5°C) in November to a chilly 45.7°F (7.6°C). The average low-temperature during December nights is a wintry 32.9°F (0.5°C).Humidity
October and December, with an average relative humidity of 77%, are the most humid months in Keene Mill Manor.Rainfall
In Keene Mill Manor, in December, during 10.8 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Keene Mill Manor, during the entire year, the rain falls for 166.5 days and collects up to 32.76" (832mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Keene Mill Manor. In Keene Mill Manor, during December, snow falls for 2.4 days and regularly aggregates up to 1.57" (40mm) of snow. In Keene Mill Manor, Virginia, during the entire year, snow falls for 16.2 days and aggregates up to 10.79" (274mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Keene Mill Manor.On the first day of December, sunrise is at 7:08 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:57 pm EST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 5.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Keene Mill Manor. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Keene Mill Manor, VA
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Keene Mill Manor, VA
- Average pressure in December: 30.11"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
Keene Mill Manor, VA
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Keene Mill Manor, VA
- Average humidity in December: 77%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Keene Mill Manor, VA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in December
Keene Mill Manor, VA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Keene Mill Manor, VA
- Average snowfall in December: 1.57"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Keene Mill Manor, VA
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (5.2 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
Keene Mill Manor, 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: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in December
Keene Mill Manor, VA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are May and July (10.5 days).
Average UV index in December
Keene Mill Manor, 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, November and December (UV index 2).
Average cloud cover in December
Keene Mill Manor, VA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Keene Mill Manor, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
