July in Cincinnati averages a daily high of 30.3°C with nights around 18.4°C. Expect roughly 12 wet days totalling 109.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Cincinnati is September–October.
Based on CINCINNATI MUNICIPAL AIRPORT LUNKEN FIELD, OH US (8.8km), 1995–2024. 30 years of July data.