May in Deva averages a daily high of 23°C with nights around 9.8°C. Expect roughly 12.5 wet days totalling 70.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Deva is May–October.
Based on DEVA, RO (1.8km), 1995–2024. 30 years of May data.