May in Peterborough averages a daily high of 19.9°C with nights around 5.6°C. Expect roughly 11.3 wet days totalling 74.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Peterborough is May–September.
Based on PETERBOROUGH TRENT U, ON CA (5.7km), 1995–2024. 17 years of May data.