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 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 transition into December is marked with an average high-temperature of an agreeable 72.1°F (22.3°C), showing an insignificant shift from November's 76.3°F (24.6°C). Nightly temperatures drop to an average low of 56.1°F (13.4°C) in December.Humidity
In December, the average relative humidity is 76%.Rainfall
In Williamsburg, during December, the rain falls for 5.3 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Williamsburg, during the entire year, the rain falls for 126.6 days and collects up to 9.06" (230mm) of precipitation.Daylight
With an average of 10h and 24min of daylight, December has the shortest days of the year.On the first day of December in Williamsburg, sunrise is at 7:01 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:40 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 6h of sunshine.UV index
In December, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 5 in December translates into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Williamsburg have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Williamsburg, FL
- Average high temperature in December: 72.1°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in December: 56.1°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (51.3°F).
Average pressure in December
Williamsburg, FL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in December
Williamsburg, FL
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in December
Williamsburg, FL
- Average humidity in December: 76%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Williamsburg, FL
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is March (0.2").
Average rainfall days in December
Williamsburg, FL
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is January (4.8 days).
Average daylight in December /
Average sunshine in December
Williamsburg, FL
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Williamsburg, FL
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in December
Williamsburg, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Williamsburg, FL
- Average cloud cover in December: 37
The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are May and October (Cloud cover 30).
Average visibility in December
Williamsburg, FL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Williamsburg, Florida, USA
Weather forecast for your location
2. Allow the app to use your location