July in Parma averages a daily high of 28.2°C with nights around 18°C. Expect roughly 10.8 wet days totalling 98.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Parma is May–September.
Based on CLEVELAND HOPKINS INTERNATIONAL AIRPORT, OH US (11.5km), 1995–2024. 30 years of July data.