December in Offenburg averages a daily high of 6.4°C with nights around 0.8°C. Expect roughly 16.7 wet days totalling 83.3mm. 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. 27 years of December data.