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
A minor decrease in the average high-temperature is observed during December, shifting from a cool 54.5°F (12.5°C) in November to a chilly 46.6°F (8.1°C). Throughout December, Free Union encounters an average temperature drop to a subzero cold 31.8°F (-0.1°C).Humidity
May, September, October and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Free Union, Virginia, in December, it is raining for 9.2 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, in Free Union, there are 155.9 rainfall days, and 27.99" (711mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Free Union, during December, snow falls for 1.9 days and regularly aggregates up to 1.38" (35mm) of snow. Throughout the year, in Free Union, there are 14.6 snowfall days, and 10.43" (265mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:04 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.4h of sunshine.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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What are the most humid months?
What is the average humidity in December in Free Union?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Free Union have in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Free Union have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Free Union, VA
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Free Union, 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 (29.96"Hg).
Average wind speed in December
Free Union, VA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Free Union, VA
- Average humidity in December: 76%
The months with the highest relative humidity are May, September, October and December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Free Union, VA
- Average rainfall in December: 2.36"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in December
Free Union, VA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Free Union, VA
- Average snowfall in December: 1.38"
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Free Union, VA
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (4.6 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
Free Union, VA
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Free Union, VA
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in December
Free Union, 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
Free Union, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Free Union, VA
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
Free Union, Virginia, USA
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