May in Potsdam averages a daily high of 20.2°C with nights around 8.9°C. Expect roughly 11.1 wet days totalling 51.9mm. 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 May data.