January in Wiesbaden averages a daily high of 3.7°C with nights around -1.3°C. Expect roughly 15.2 wet days totalling 70.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Wiesbaden is May–September.
Based on WIESBADEN AURINGEN, GM (7.4km), 1995–2024. 30 years of January data.