December in Munich averages a daily high of 4.8°C with nights around -0.8°C. Expect roughly 15.1 wet days totalling 61.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Munich is May–September.
Based on MUNCHEN NYMPHENBURG, GM (6.3km), 1995–2024. 30 years of December data.