May in Trapani averages a daily high of 23.7°C with nights around 13.2°C. Expect roughly 4.5 wet days totalling 17.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Trapani is April–June.
Based on TRAPANI BIRGI, IT (12.6km), 1995–2024. 23 years of May data.