December in Erfurt averages a daily high of 3.7°C with nights around -1.3°C. Expect roughly 11.9 wet days totalling 30.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Erfurt is June–September.
Based on ERFURT BINDERSLEBEN, GM (5.1km), 1995–2024. 30 years of December data.