April in Rosenheim averages a daily high of 15.6°C with nights around 3.4°C. Expect roughly 12.3 wet days totalling 66.1mm. 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 April data.