November in Hamm averages a daily high of 10.1°C with nights around 4.1°C. Expect roughly 14.3 wet days totalling 58.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Hamm is May–September.
Based on WERL, GM (12.3km), 1995–2024. 22 years of November data.