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
December's arrival correlates with a reduction in the average high-temperature, down from a chilly 44.4°F (6.9°C) in November to a cold 32.9°F (0.5°C). The temperature dips to an average of 22.3°F (-5.4°C) during December nights.Humidity
In Virgil, the average relative humidity in December is 83%.Rainfall
In Virgil, during December, the rain falls for 4.5 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Virgil, during the entire year, the rain falls for 103.9 days and collects up to 8.5" (216mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Virgil, Illinois, in December, during 7.8 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Virgil, during the entire year, snow falls for 32.9 days and aggregates up to 3.98" (101mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:03 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:33 pm CST.
Sunshine
The average sunshine in December is 3.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Virgil?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Virgil have in December?
What is the month with the lowest UV index in Virgil?
How high is the UV index in December?
Average temperature in December
Virgil, IL
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Virgil, IL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Virgil, IL
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Virgil, IL
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Virgil, IL
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is November (0.39").
Average rainfall days in December
Virgil, IL
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Virgil, IL
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Virgil, IL
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Virgil, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Virgil, IL
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in December
Virgil, IL
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Virgil, IL
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in December
Virgil, IL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Virgil, Illinois, USA
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