Illinois in january: average Weather, Temperature and Climate
Weather in Illinois in january 2025
The weather in Illinois in the month of january comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout january
very bad weather 159cm
Weather at 6am
23°F
Cloudy
27% of time
25%
25%
12%
Weather at 12pm
29°F
Cloudy
32% of time
25%
23%
13%
Weather at 6pm
27°F
Cloudy
30% of time
28%
18%
15%
Weather at 3am
25°F
27%
22%
21%
18%
Evolution of daily average temperature and precipitation in Illinois in january
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Illinois in january.
The climate of Illinois in january is very bad
the weather in Illinois in january is relatively dry (with 2in of rainfall over 3 days). It should be noted an improvement from the previous month since in december it receives an average of 2.1in of precipitation over 3 days.
The climate is quite cold here january. Plan to cover you well! The high seasonal norm is 32°F. On average, the recorded minimum temperature is 23°F. Thus, the mean temperature average in january in Illinois is 27°F. These temperatures are far removed from those records observed in Illinois in january with a maximum record of 61°F in 2013 and a minimum record of -20°F in 2019. You need to prepare to have about 26 days with temperatures under 32°F, or 84% of time.
On this month of january, day length in Illinois is generally 09:36. Sunrise is at 07:19 and sets at 16:55.
January: another location in the United States (USA)?
If you want to go to the United States (USA) in january, there are destinations with better weather than Illinois:
In january, Hawaii (Honolulu) and Miami (Florida) have perfect weather.
Furthermore, Houston, Phoenix (Arizona), Dauphin Island (Alabama), Gulf Shores (Alabama), McAllen and Port Aransas have good weather.
Finally, California, Louisiana, Dallas, Austin, Myrtle Beach and Carolina Beach have a tolerable climate, but better than Illinois.
Seasonal average climate and temperature of Illinois in january
Check below seasonal norms These datas are set from the weather statements earlier years of january.
| January | |||||
| Outside temperature | |||||
| Average temperature | 27°F | ||||
| Highest temperature | 32°F | ||||
| Lowest temperature | 23°F | ||||
| Highest record temperature | 61°F (2013) | ||||
| Lowest record temperature | -20°F (2019) | ||||
| Number of days at -32°F | 26 day(s) (84%) | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 13°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2in | ||||
| Number of days with rainfall | 3 day(s) (9%) | ||||
| Record daily rainfall | 1.9in (2020) | ||||
| Snowfall | 159cm | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 8.41km | ||||
| Cloud cover | 58% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 6 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:19 | ||||
| Time of sunset | 16:55 | ||||
| Length of day | 09:36 | ||||
| Our opinion about the weather in january | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last january?
Here is the day by day recorded weather in Illinois in january 2024:
27°F to 36°F
27°F to 40°F
29°F to 38°F
27°F to 38°F
29°F to 38°F
32°F to 36°F
29°F to 34°F
27°F to 36°F
32°F to 34°F
20°F to 34°F
20°F to 34°F
31°F to 36°F
9°F to 25°F
-7°F to 2°F
-7°F to 4°F
-7°F to 7°F
7°F to 22°F
18°F to 22°F
2°F to 14°F
-5°F to 11°F
-0°F to 22°F
25°F to 32°F
34°F to 36°F
36°F to 38°F
34°F to 36°F
36°F to 38°F
34°F to 38°F
36°F to 40°F
31°F to 47°F
36°F to 40°F
32°F to 47°F
Map: other cities in the United States (USA) in january
Cities near Illinois:
| Chicago in january | very bad weather |
| St. Louis (Missouri) in january | very bad weather |
| Indianapolis in january | very bad weather |
| Wisconsin in january | very bad weather |
| Missouri in january | very bad weather |
| Des Moines in january | very bad weather |
| Louisville (Kentucky) in january | very bad weather |
| Cincinnati in january | very bad weather |
| Kansas City in january | very bad weather |
| Nashville in january | very bad weather |
| Detroit in january | very bad weather |
| Minneapolis (Minnesota) in january | very bad weather |
Click over cities on the map for information about the weather in january.
Illinois
perfect weather
good
tolerable
bad
very bad
Weather data for Illinois in january:
Weather data for Illinois for january are derived from an average of the weather forecast since 2009 in Illinois. There is a margin of error and these forecasts are to be considered as general information only. The weather in Illinois can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Illinois.