In June, Chicago typically sees daytime highs of 25.6°C and overnight lows around 15.2°C. Compared to the annual average high of 14.1°C, June runs +11.5°C.
June in Chicago averages a daytime high of 25.6°C and an overnight low of 15.2°C.
June runs +11.5°C compared to Chicago's annual average high of 14.1°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 25.6°C and cooler evenings around 15.2°C.