Average temperature in Chicago (IL)

The mean minimum and maximum temperatures over the year in Chicago (Illinois), the United States of America.

Average monthly minimum and maximum temperature in Chicago (IL),

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  • The months of May, June, July, August and September have nice average temperatures.
  • On average, the warmest month(s) are July and August.
  • Cold season / winter is in the months January and February.
  • On average, the warmest month is July with 29°C.
  • On average, the coolest month is January with -1°C.
  • The average annual maximum temperature is 15°C.
  • The average annual minimum temperature is 6°C.

Weather Forecasts for Chicago (IL)

Fri   Mar 29
11°C | 0°C
E 18 km/h
3.7 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Sat   Mar 30
15°C | 5°C
NW 25 km/h
4.4 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

Sun   Mar 31
10°C | 4°C
E 22 km/h
1.7 mm
overcast and rain

overcast and rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Chicago.

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