July in Treviso averages a daily high of 31°C with nights around 19.7°C. Expect roughly 8.8 wet days totalling 66.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Treviso is September–October.
Based on ISTRANA, IT (12.5km), 1995–2024. 20 years of July data.