May in Ploieşti averages a daily high of 24.2°C with nights around 9.7°C. Expect roughly 10.2 wet days totalling 66.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Ploieşti is April–May.
Based on BUCURESTI BANEASA, RO (48.5km), 1995–2024. 30 years of May data.