Virginia, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and Climate
Williamsburg, VA

  • The average high temperature in December: 50.7°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (47.4°F).

  • The average low temperature in December: 32.7°F

The month with the highest average low temperature is July (68.8°F).
The coldest month (with the lowest average low temperature) is January (29.6°F).

  • The average rainfall in December: 3.6"

The wettest month (with the highest rainfall) is July (5.4").
Driest months (with the lowest rainfall) are February, June and November (3.3").

  • The average rainfall days in December: 10.2 days

The month with the highest number of rainy days is July (11.8 days).
The month with the lowest number of rainy days is October (7.8 days).

  • The average snowfall in December: 0.6"

The month with the highest snowfall is February (2.1").
Months with the lowest snowfall are May, June, July, August, September and October (0").

  • The average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (0.7 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

  • The average daylight in December: 10h

The month with the longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in December: 5h

The month with most sunshine is June (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 5h).

  • The average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 9).
Months with the lowest UV index are January and December (UV index 2).