April in Amherst averages a daily high of 12.8°C with nights around 2.6°C. Expect roughly 13.6 wet days totalling 83.6mm. Demanding conditions — pack for it and plan indoor options.
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 April data.