February in Köln averages a daily high of 8°C with nights around 2.3°C. Expect roughly 14.5 wet days totalling 59.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Köln is May–September.
Based on KOLN STAMMHEIM, GM (6.7km), 1995–2024. 30 years of February data.