July in Amherst averages a daily high of 26.9°C with nights around 17.4°C. Expect roughly 11.3 wet days totalling 83.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Amherst is May–September.
Based on BUFFALO NIAGARA INTERNATIONAL AIRPOR, NY US (6.1km), 1995–2024. 30 years of July data.