Chicago climate

Typical historical weather for Chicago, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Chicago.

Annual average

10.9°C

across all months

Warmest month

27.1°C

Jul average high

Coolest month

-5.8°C

Jan average low

Annual rainfall

1097mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

35.3°C

24 August 2023

Coldest day

-30.1°C

31 January 2019

Wettest day

92.7mm

25 June 2021

Windiest day

11m/s

24 February 2019