May in Dessau averages a daily high of 20.2°C with nights around 8.5°C. Expect roughly 11.8 wet days totalling 52.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Dessau is May–September.
Based on KOTHEN ANHALT, GM (18.8km), 1995–2024. 29 years of May data.