December in Sibiu averages a daily high of 4°C with nights around -4.1°C. Expect roughly 9.5 wet days totalling 31.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Sibiu is June–October.
Based on SIBIU, RO (0km), 1995–2024. 30 years of December data.