Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift from November to December involves a decrease in the average high-temperature, dropping from a fresh 50.9°F (10.5°C) to an icy 41.4°F (5.2°C). Throughout the month of December, the average temperature dips to a freezing cold 30.6°F (-0.8°C) at night.Humidity
February and December, with an average relative humidity of 82%, are the most humid months in Williamsburg.Rainfall
In Williamsburg, in December, during 11.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Williamsburg, during the entire year, the rain falls for 138.6 days and collects up to 17.24" (438mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Williamsburg, during December, snow falls for 6.5 days and regularly aggregates up to 0.94" (24mm) of snow. Throughout the year, in Williamsburg, Ohio, there are 27.3 snowfall days, and 5.71" (145mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Williamsburg, sunrise is at 7:36 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:23 pm EST.
Sunshine
In Williamsburg, the average sunshine in December is 4h.UV index
December is the month with the lowest UV index in Williamsburg, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 during December translates into the following guidance:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is December in Williamsburg?
What are the most humid months in Williamsburg?
What is the average humidity in December in Williamsburg?
How much does it rain in Williamsburg in December?
How many days does it snow in December in Williamsburg?
What is the month with the shortest days in Williamsburg?
What is the average length of the day in December in Williamsburg?
When is the sunrise / sunset in December in Williamsburg?
How many hours of sunshine does Williamsburg have in December?
What is the month with the lowest UV index in Williamsburg?
What is the UV index intensity in December in Williamsburg?
Average temperature in December
Williamsburg, OH
- Average high temperature in December: 41.4°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Williamsburg, OH
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Williamsburg, OH
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Williamsburg, OH
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Williamsburg, OH
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
Williamsburg, OH
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Williamsburg, OH
- Average snowfall in December: 0.94"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Williamsburg, OH
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (6.8 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, OH
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Williamsburg, OH
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Williamsburg, OH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Williamsburg, OH
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Williamsburg, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Williamsburg, Ohio, USA
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