December weather forecastWilliamsburg, KY
December
Weather in December
The first month of the winter, December, is also a frosty month in Williamsburg, Kentucky, with an average temperature varying between 33.4°F (0.8°C) and 46.2°F (7.9°C).Temperature
In Williamsburg, the average high-temperature in December slightly decreases from a cool 54.7°F (12.6°C) in November to a chilly 46.2°F (7.9°C). Williamsburg's temperature in December lowers to a consistent average of 33.4°F (0.8°C) during the nights.Humidity
February and December, with an average relative humidity of 81%, are the most humid months in Williamsburg.Rainfall
In Williamsburg, during December, the rain falls for 13.8 days and regularly aggregates up to 3.62" (92mm) of precipitation. Throughout the year, there are 184.3 rainfall days, and 39.33" (999mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 6.1 days. Throughout December, 2.48" (63mm) of snow is accumulated. Throughout the year, there are 30.8 snowfall days, and 13.19" (335mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:31 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:30 pm EST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Williamsburg, KY
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Williamsburg, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Williamsburg, KY
- Average wind speed in December: 5.9mph
The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Williamsburg, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Williamsburg, KY
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Williamsburg, KY
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in December
Williamsburg, KY
- Average snowfall in December: 2.48"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Williamsburg, KY
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Williamsburg, KY
- 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: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Williamsburg, KY
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Williamsburg, KY
- 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
Williamsburg, KY
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in December
Williamsburg, KY
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
