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
In December, the average high-temperature marginally decreases from a moderate 57.9°F (14.4°C) in November to a cool 50.9°F (10.5°C). During December nights, Union Level witnesses a consistent average temperature of 36.5°F (2.5°C).Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Union Level, in December, during 10.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Union Level, during the entire year, the rain falls for 144.4 days and collects up to 21.3" (541mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 0.71" (18mm) of snow. In Union Level, during the entire year, snow falls for 6.3 days and aggregates up to 3.74" (95mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:25 am and sunset at 5:07 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Union Level have in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Union Level, VA
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Union Level, VA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Union Level, VA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Union Level, 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 (71%).
Average rainfall in December
Union Level, VA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in December
Union Level, VA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in December
Union Level, VA
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Union Level, VA
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Union Level, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Union Level, VA
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
Union Level, 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 and December (UV index 2).
Average cloud cover in December
Union Level, VA
- Average cloud cover in December: 42
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Union Level, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Union Level, Virginia, USA
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