April in Osnabrück averages a daily high of 14.1°C with nights around 4.2°C. Expect roughly 11.9 wet days totalling 42.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Osnabrück is May–September.
Based on BELM, GM (9.6km), 1995–2024. 14 years of April data.