August in Irondequoit averages a daily high of 26.7°C with nights around 15.9°C. Expect roughly 10.5 wet days totalling 86.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Irondequoit is May–September.
Based on FREDERICK DOUGLASS GREATER ROCHESTER INTERNATIONAL AIRPORT, NY US (13.2km), 1995–2024. 30 years of August data.