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 goes from a chilly 45.1°F (7.3°C) in November to an icy 32.7°F (0.4°C). Nighttime temperature dips to a mean of 22.5°F (-5.3°C) during December.Humidity
In December, the average relative humidity is 83%.Rainfall
In Chana, during December, the rain falls for 7.5 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Chana, during the entire year, the rain falls for 141.2 days and collects up to 20.31" (516mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Chana, during December, snow falls for 9.8 days and regularly aggregates up to 1.69" (43mm) of snow. Throughout the year, there are 44.6 snowfall days, and 9.49" (241mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:05 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:35 pm CST.
Sunshine
In Chana, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. 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
How cold is December?
What is the average humidity in December?
How many days 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 long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Chana, IL
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 22.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in December
Chana, IL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Chana, IL
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Chana, IL
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Chana, IL
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days in December
Chana, IL
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Chana, IL
- Average snowfall in December: 1.69"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Chana, IL
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is January (12.2 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
Chana, 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 36min).
Average sunshine days in December
Chana, IL
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in December
Chana, IL
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Chana, IL
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Chana, IL
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Chana, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location