January weather forecastPeotone, IL
January
Weather in January
January, like December, is a freezing cold winter month in Peotone, Illinois, with an average temperature ranging between min 18.3°F (-7.6°C) and max 29.7°F (-1.3°C).Temperature
The month of January, characterized by an average high of 29.7°F (-1.3°C) and a low of 18.3°F (-7.6°C), is recognized as the coldest.Humidity
In Peotone, the average relative humidity in January is 82%.Rainfall
In January, in Peotone, the rain falls for 5 days. Throughout January, 0.59" (15mm) of precipitation is accumulated. Throughout the year, in Peotone, there are 115.5 rainfall days, and 11.65" (296mm) of precipitation is accumulated.Snowfall
Months with snowfall in Peotone are January through April, October through December. The month with the most snowfall is January, when snow falls for 10.2 days and typically aggregates up to 1.34" (34mm) of snow.Daylight
The average length of the day in January in Peotone is 9h and 36min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:32 pm. On the last day of January, in Peotone, sunrise is at 7:03 am and sunset at 5:05 pm CST.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year in Peotone.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In January, the UV index of 1 transforms into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Peotone, IL
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 18.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in January
Peotone, IL
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Peotone, IL
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Peotone, IL
- Average humidity in January: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Peotone, IL
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in January
Peotone, IL
- Average rainfall days in January: 5 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in January
Peotone, IL
- Average snowfall in January: 1.34"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Peotone, IL
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Peotone, IL
- Average daylight in January: 9h and 36min
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 January: 3h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Peotone, IL
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is November (20.8 days).
The months with the least sunshine days are June and July (12.2 days).
Average UV index in January
Peotone, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Peotone, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Peotone, IL
- Average visibility in January: 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).





