January in Offenburg averages a daily high of 5.6°C with nights around -0.5°C. Expect roughly 15.8 wet days totalling 74.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Offenburg is June–September.
Based on OHLSBACH, GM (5.7km), 1995–2024. 26 years of January data.