December in Kaiserslautern averages a daily high of 5.5°C with nights around 0.6°C. Expect roughly 16.5 wet days totalling 81.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Kaiserslautern is May–September.
Based on KAISERSLAUTERN, GM (3.2km), 1995–2024. 22 years of December data.