May in Bacău averages a daily high of 23.1°C with nights around 9.8°C. Expect roughly 10.6 wet days totalling 64.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Bacău is May–June.
Based on BACAU, RO (3.8km), 1995–2024. 30 years of May data.