January in Friedrichshafen averages a daily high of 3.7°C with nights around -1.5°C. Expect roughly 13.5 wet days totalling 64.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Friedrichshafen is June–September.
Based on FRIEDRICHSHAFEN UNTERRADERACH, GM (4km), 1995–2024. 22 years of January data.