November in Siegen averages a daily high of 7.9°C with nights around 1.8°C. Expect roughly 15.5 wet days totalling 66.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Siegen is May–September.
Based on DILLENBURG, GM (23.1km), 1995–2024. 28 years of November data.