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 ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 47.3°F (8.5°C) to an icy 35.1°F (1.7°C). Shale City temperatures generally rest at a low of 24.4°F (-4.2°C) during the December nights.Humidity
In December, the average relative humidity is 81%.Rainfall
December is the month with the least rainfall in Shale City. Rain falls for 5.5 days and accumulates 0.67" (17mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, in Shale City, it is snowing for 6.1 days. Throughout December, 0.98" (25mm) of snow is accumulated. In Shale City, during the entire year, snow falls for 26.3 days and aggregates up to 7.64" (194mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:09 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:43 pm CST.
Sunshine
In Shale City, the average sunshine in December is 4.5h.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Shale City in December?
What is the average humidity in December in Shale City?
What is the driest month in Shale City?
How much does it rain in Shale City in December?
How many days does it snow in December in Shale City?
What is the month with the shortest days in Shale City?
How many hours of daylight does Shale City have in December?
When is the sunrise / sunset in December in Shale City?
How many hours of sunshine does Shale City have in December?
What is the UV index reading in December in Shale City?
Average temperature in December
Shale City, IL
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 24.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Shale City, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Shale City, IL
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Shale City, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Shale City, IL
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in December
Shale City, IL
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in December
Shale City, IL
- Average snowfall in December: 0.98"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Shale City, IL
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shale City, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Shale City, IL
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Shale City, IL
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Shale City, IL
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in December
Shale City, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Shale City, Illinois, USA
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