July in Erie averages a daily high of 26.8°C with nights around 18°C. Expect roughly 10.4 wet days totalling 87.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Erie is May–September.
Based on ERIE INTERNATIONAL AIRPORT, PA US (9.7km), 1995–2024. 30 years of July data.