May in Pisa averages a daily high of 22.7°C with nights around 11.9°C. Expect roughly 8.9 wet days totalling 63.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Pisa is April–July.
Based on PISA, IT (2.9km), 1995–2024. 24 years of May data.