May in Treviso averages a daily high of 24.5°C with nights around 13°C. Expect roughly 12.2 wet days totalling 112.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Treviso is September–October.
Based on ISTRANA, IT (12.5km), 1995–2024. 19 years of May data.