July in Peterborough averages a daily high of 27.3°C with nights around 13.8°C. Expect roughly 10.1 wet days totalling 70.9mm. 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. 19 years of July data.