June in Constanţa averages a daily high of 25.7°C with nights around 17.7°C. Expect roughly 6 wet days totalling 42.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Constanţa is May–October.
Based on CONSTANTA, RO (4.4km), 1995–2024. 30 years of June data.