December in Baden-Baden averages a daily high of 6.4°C with nights around -0.2°C. Expect roughly 17.5 wet days totalling 122.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Baden-Baden is May–September.
Based on BADEN BADEN GEROLDSAU, GM (3.7km), 1995–2024. 30 years of December data.