January in Osnabrück averages a daily high of 5°C with nights around 0.7°C. Expect roughly 17.4 wet days totalling 66.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Osnabrück is May–September.
Based on BELM, GM (9.6km), 1995–2024. 14 years of January data.