This post is an overview of the July weather in Chicago, including snow and precipitation forecasts, as well as tips on how to dress and things to do. Be sure to look into the weather in July and August as well.
July in Chicago features warm afternoons and evenings with mostly comfortable mornings. Afternoon high temperatures tend to be in the lower 80s F (27-28 C) with a few days reaching into the lower 90s F (32-33 C). About 6 days this month will record high temperatures of 90 F (about 32 C) or more with the record high temperature for Chicago during July is 104 F (40.0 C).
Late night and early morning low temperatures tend to be in the upper 60s F (about 20 C) early in the month, warming to the lower 70s F (21-22 C) near the end of the month. A few of the cooler mornings will dip down into the lower 60s F (about 16 C). The record low temperature in Chicago during July is 40F (4.4 C)
About 21 days this month will be sunny or at least partly sunny. Some rain falls on about 9-10 days, however, significant rainfalls of 0.5 inches (12.7 mm) or more occur only on about 2 days this month. July in Chicago can be on the humid side with 11-15 days being considered muggy and 3-6 of these days considered oppressive.
You can expect a little over 15 hours of daylight early in the month decreasing to about 14.5 hours at the end of the month so there is ample time to explore this great city.
And if you are planning on visiting many of Chicago’s top attractions, then you should consider a tourist discount pass as you could save up to 50% of retail ticket prices to tours, attractions, and restaurants.
Visiting Chicago for Memorial Day? This post covers things to do in Chicago on Memorial Day 2019 and the entire weekend, including a top 5 list, nighttime activities, family-friendly things to do, and free things. Read our master post on things to do in Chicago if you’re there all of May.