May in Arad averages a daily high of 23.4°C with nights around 10.3°C. Expect roughly 11.3 wet days totalling 63mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Arad is April–June.
Based on ARAD, RO (6.1km), 1995–2024. 30 years of May data.