July in Konstanz averages a daily high of 25.8°C with nights around 14.8°C. Expect roughly 13.9 wet days totalling 96.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Konstanz is May–September.
Based on KONSTANZ, GM (2.3km), 1995–2024. 30 years of July data.