| < January >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Chicago, Illinois in January is slightly cold at -3 °C (26.6 °F).
- Afternoons can be very cool with average high temperatures reaching 1 °C (33.8 °F).
- Overnight temperatures are generally cold with an average low of -7 °C (19.4 °F).
- In January there is a variation/ range of mean diurnal temperatures of 8 °C (14.4 °F).
- The weather in January is a little parched with snow at times. A mere 47mm (1.9in) of H2O is dropped during on average 10 days.
- The blue above Chicago, Illinois is a little dull having an average of a mere 4:01 of brilliant solar radiation per day.
- The shortest day is 9:11 long and the longest day is 9:56 long with an average length of 9:30.
- There are approximately 5:18 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 43.2% of daylight hours and cloudy 56.8% of daylight hours.
Check the distance to and compare the Chicago, Illinois January averages with somewhere beginning with:
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Weather Trend Graph for January in Chicago, Illinois, Usa
Navigate to January Weather in Locations Surrounding Chicago, Illinois:
- Racine, Wi, Usa - 104.9 kms (65.2 miles) N
- Rockford, Il, Usa - 120.8 kms (75.1 miles) WNW
- Marengo, Il, Usa - 106.2 kms (66 miles) WNW
- Aurora, Il, Usa - 31.8 kms (19.7 miles) NW
- Chicago/ 0'Hare, Il, Usa - 25.5 kms (15.8 miles) NNW