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 transition into December subtly indicates a reduction in the average high-temperature, down to a frosty 44.2°F (6.8°C) from November's cool 53.1°F (11.7°C). Throughout December, Williamsburg Square registers a consistent average low-temperature of 31.8°F (-0.1°C).Humidity
October and December, with an average relative humidity of 78%, are the most humid months in Williamsburg Square, Maryland.Rainfall
In Williamsburg Square, Maryland, in December, during 10.5 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Williamsburg Square, during the entire year, the rain falls for 159.4 days and collects up to 30.71" (780mm) of precipitation.Snowfall
Months with snowfall in Williamsburg Square are January through May, November and December. In December, it is snowing for 3 days. Throughout December, 1.57" (40mm) of snow is accumulated. In Williamsburg Square, Maryland, during the entire year, snow falls for 19.1 days and aggregates up to 10.04" (255mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:56 pm EST.
Sunshine
In Williamsburg Square, the average sunshine in December is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is December in Williamsburg Square?
What are the most humid months in Williamsburg Square?
What is the average humidity in December in Williamsburg Square?
How many days does it rain in December in Williamsburg Square?
How much does it snow in Williamsburg Square in December?
What is the month with the shortest days in Williamsburg Square?
What is the average length of the day in December in Williamsburg Square?
What time are sunrise and sunset in December in Williamsburg Square?
How long on average sun shines in December in Williamsburg Square?
What is the month with the lowest UV index in Williamsburg Square?
What is the UV index reading in December in Williamsburg Square?
Average temperature in December
Williamsburg Square, MD
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Williamsburg Square, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Williamsburg Square, MD
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Williamsburg Square, MD
- Average humidity in December: 78%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Williamsburg Square, MD
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").
Average rainfall days in December
Williamsburg Square, MD
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).
Average snowfall in December
Williamsburg Square, MD
- Average snowfall in December: 1.57"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Williamsburg Square, MD
- Average snowfall days in December: 3 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Williamsburg Square, MD
- 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Williamsburg Square, MD
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Williamsburg Square, MD
- 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
Williamsburg Square, MD
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Williamsburg Square, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Williamsburg Square, Maryland, USA
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