February in Heilbronn averages a daily high of 7°C with nights around -0.4°C. Expect roughly 13.5 wet days totalling 57.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Heilbronn is May–September.
Based on OBERSULM WILLSBACH, GM (9.7km), 1995–2024. 20 years of February data.