December weather forecastCobham, VA
December
Weather in December
The first month of the winter, December, is also a frosty month in Cobham, Virginia, with an average temperature varying between 32.9°F (0.5°C) and 46.8°F (8.2°C).Temperature
The move into December indicates a slight reduction in the average high-temperature, down from November's cool 54.7°F (12.6°C) to a chilly 46.8°F (8.2°C). December nights in Cobham observe an average temperature dip to an icy 32.9°F (0.5°C).Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Cobham, Virginia, in December, it is raining for 10.1 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 154.2 rainfall days, and 28.54" (725mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Cobham, in December, during 1.9 snowfall days, 1.5" (38mm) of snow is typically accumulated. Throughout the year, in Cobham, there are 15.3 snowfall days, and 10.39" (264mm) of snow is accumulated.Daylight
The month with the shortest days in Cobham, Virginia, is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:03 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index in Cobham, Virginia, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cobham, VA
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Cobham, 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 (29.96"Hg).
Average wind speed in December
Cobham, VA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Cobham, 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
Cobham, VA
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Cobham, VA
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Cobham, VA
- Average snowfall in December: 1.5"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cobham, VA
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (4.9 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
Cobham, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Cobham, VA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Cobham, 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
Cobham, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Cobham, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are February, May, September and December (5mi).
