December in Neumünster averages a daily high of 4.6°C with nights around 0.2°C. Expect roughly 18.5 wet days totalling 83.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Neumünster is May–September.
Based on WITTENBORN, GM (23.4km), 1995–2024. 30 years of December data.