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
With the arrival of December, Sweet Briar Park notices a mild change in the average high-temperature, sliding from November's moderate 56.7°F (13.7°C) to a frosty 49.1°F (9.5°C). In December, Sweet Briar Park experiences an average nighttime temperature of 34.9°F (1.6°C).Humidity
With an average relative humidity of 78%, December is the most humid month in Sweet Briar Park.Rainfall
In Sweet Briar Park, in December, during 10.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Sweet Briar Park, during the entire year, the rain falls for 151.1 days and collects up to 26.22" (666mm) of precipitation.Snowfall
Months with snowfall in Sweet Briar Park are January through April, November and December. In Sweet Briar Park, in December, snow falls for 1.5 days, with typically accumulated 1.5" (38mm) of snow. In Sweet Briar Park, Virginia, during the entire year, snow falls for 10.5 days and aggregates up to 6.42" (163mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:06 am and sunset at 4:51 pm. On the last day of December, in Sweet Briar Park, Virginia, sunrise is at 7:24 am and sunset at 5:01 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.2h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Sweet Briar Park. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What are December temperatures in Sweet Briar Park?
What is the most humid month in Sweet Briar Park?
What is the average humidity in December in Sweet Briar Park?
How much does it rain in Sweet Briar Park in December?
How much does it snow in Sweet Briar Park in December?
What is the month with the shortest days in Sweet Briar Park?
How many hours of daylight does Sweet Briar Park have in December?
What time are sunrise and sunset in December in Sweet Briar Park?
What is the month with the least sunshine in Sweet Briar Park?
How many hours of sunshine does Sweet Briar Park have in December?
What are the months with the lowest UV index in Sweet Briar Park?
What is the UV index reading in December in Sweet Briar Park?
Average temperature in December
Sweet Briar Park, VA
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 34.9°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Sweet Briar Park, VA
- Average pressure in December: 30.12"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
Sweet Briar Park, VA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Sweet Briar Park, VA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).
Average rainfall in December
Sweet Briar Park, VA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Sweet Briar Park, VA
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Sweet Briar Park, VA
- Average snowfall in December: 1.5"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sweet Briar Park, VA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sweet Briar Park, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Sweet Briar Park, VA
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Sweet Briar Park, VA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Sweet Briar Park, VA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Sweet Briar Park, VA
- 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).
Sweet Briar Park, Virginia, USA
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