January in Bacău averages a daily high of 1.9°C with nights around -5.5°C. Expect roughly 9.4 wet days totalling 26.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Bacău is May–June.
Based on BACAU, RO (3.8km), 1995–2024. 30 years of January data.