July in Ann Arbor averages a daily high of 28.7°C with nights around 15.4°C. Expect roughly 11.4 wet days totalling 101.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ann Arbor is May–June.
Based on ANN ARBOR SE, MI US (5.6km), 1995–2024. 22 years of July data.