December in Erlangen averages a daily high of 4.5°C with nights around -0.8°C. Expect roughly 16.2 wet days totalling 57.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Erlangen is May–September.
Based on MOHRENDORF KLEINSEEBACH, GM (6.6km), 1995–2024. 30 years of December data.