July in Potsdam averages a daily high of 25.1°C with nights around 14.4°C. Expect roughly 11.8 wet days totalling 77.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Potsdam is May–September.
Based on POTSDAM, GM (1.7km), 1995–2024. 30 years of July data.