August in Rosenheim averages a daily high of 24.5°C with nights around 13°C. Expect roughly 15 wet days totalling 148.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Rosenheim is May–September.
Based on ROSENHEIM, GM (2.2km), 1995–2024. 29 years of August data.