December in Reşiţa averages a daily high of 5.6°C with nights around -0.9°C. Expect roughly 11.9 wet days totalling 52.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Reşiţa is June–October.
Based on CARANSEBES, RO (31.2km), 1995–2024. 30 years of December data.