December in Münster averages a daily high of 5.9°C with nights around 1°C. Expect roughly 16.6 wet days totalling 67.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Münster is May–September.
Based on MUENSTER OSNABRUECK AIRPORT, GM (19.9km), 1995–2024. 30 years of December data.