June in Mestre averages a daily high of 28.8°C with nights around 17.9°C. Expect roughly 9.8 wet days totalling 78.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Mestre is September–October.
Based on ISTRANA, IT (24.9km), 1995–2024. 21 years of June data.