June in Bucharest averages a daily high of 28.3°C with nights around 14°C. Expect roughly 10.9 wet days totalling 80.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bucharest is April–May.
Based on BUCURESTI BANEASA, RO (9.6km), 1995–2024. 29 years of June data.