July - CHICAGO - Weather History and Averages

High Temperatures

On average, the day in July with the warmest high temperature in CHICAGO is July 19 at an average of 81.1 °F (27.3 °C).

On average, the day in July with the coldest high temperature in CHICAGO is July 2 at an average of 75.6 °F (24.2 °C).

The warmest recorded high temperature in July in CHICAGO was 98.8 °F (37.1 °C) on July 24 in the year 2005 at CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 .

The coldest recorded high temperature in July in CHICAGO was 57.4 °F (14.1 °C) on July 2 in the year 2015 at CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 .

On average, the day in July with the warmest low temperature in CHICAGO is July 20 at an average of 71.4 °F (21.9 °C).

On average, the day in July with the coldest low temperature in CHICAGO is July 2 at an average of 66.0 °F (18.9 °C).

The warmest recorded low temperature in CHICAGO was 87.3 °F (30.7 °C) on July 21 in the year 2022 at CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 .

The coldest recorded low temperature in CHICAGO was 54.5 °F (12.5 °C) on July 2 in the year 2014 at CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 .

If you would like to see the temperatures for specific days, you can click on the corresponding links below: