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 start of December comes with a small reduction in the average high-temperature, subtly receding from a fresh 54°F (12.2°C) in November to a frosty 45.5°F (7.5°C). During December, the nighttime temperature averages to a wintry 32°F (0°C).Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Orlean, Virginia, in December, during 10.5 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Orlean, during the entire year, the rain falls for 160.5 days and collects up to 29.92" (760mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Orlean. In December, in Orlean, it is snowing for 3.3 days. Throughout December, 2.13" (54mm) of snow is accumulated. In Orlean, during the entire year, snow falls for 20.3 days and aggregates up to 13.07" (332mm) of snow.Daylight
December has the shortest days of the year in Orlean, with an average of 9h and 30min of daylight.On the first day of December in Orlean, sunrise is at 7:11 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:00 pm EST.
Sunshine
The month with the least sunshine in Orlean is December, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Orlean?
What is the most humid month in Orlean?
What is the average humidity in December in Orlean?
How much does it rain in Orlean in December?
How much does it snow in Orlean in December?
What is the month with the shortest days in Orlean?
What is the average length of the day in December in Orlean?
When are sunrise and sunset in December in Orlean?
What is the month with the least sunshine in Orlean?
How many hours of sunshine does Orlean have in December?
When is the lowest UV index in Orlean?
What is the UV index intensity in December in Orlean?
Average temperature in December
Orlean, VA
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Orlean, VA
- 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
Orlean, VA
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Orlean, 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 (72%).
Average rainfall in December
Orlean, VA
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Orlean, VA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Orlean, VA
- Average snowfall in December: 2.13"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Orlean, VA
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Orlean, VA
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Orlean, VA
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in December
Orlean, VA
- 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
Orlean, VA
- Average cloud cover in December: 44
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
Orlean, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, June, July, August and November (6mi).
The months with the lowest visibility are February, May, September, October and December (5mi).
Orlean, Virginia, USA
Weather forecast for your location
2. Allow the app to use your location