May in Chemnitz averages a daily high of 17.6°C with nights around 8.3°C. Expect roughly 13.4 wet days totalling 68.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Chemnitz is June–September.
Based on CHEMNITZ, GM (6.2km), 1995–2024. 30 years of May data.