May in Catania averages a daily high of 26.4°C with nights around 12°C. Expect roughly 4.2 wet days totalling 17.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Catania is April–May.
Based on SIGONELLA, IT (17km), 1995–2024. 25 years of May data.