July in Karlsruhe averages a daily high of 27°C with nights around 14.4°C. Expect roughly 11.6 wet days totalling 77.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Karlsruhe is May–September.
Based on RHEINSTETTEN, GM (6.7km), 1995–2024. 16 years of July data.