Month-by-month travel weather
Chicago July weather
Chicago, United States · July
Sun + humidity is the main comfort driver
July is often the hottest-feeling month, with humidity making the air feel heavy.
Thunderstorms can be short and intense—without a rain option, you can get soaked quickly.
July averages at a glance
Average low
around 18–21°C
Average high
around 28–31°C
Average precipitation
around 85–110 mm
Rainy days
about 8–11 days
What to wear in July in Chicago
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Breathable clothing and sweat management help.
- • Optional umbrella/rain layer.
- • Optional thin layer for cold indoor A/C.
Travel tips for visiting Chicago in July
- • Pace midday outdoor time; shade breaks matter.
- • Lake breezes can sometimes ease heat, but not always.
July weather in Chicago — FAQ
Q. Is July very humid?
A. Often yes—humidity can make it feel much hotter.
Q. Do storms happen?
A. Yes, thunderstorms are common and can be intense.
Explore Chicago
These pages are connected so you can compare conditions and decide for yourself.