April in Buffalo averages a daily high of 11.9°C with nights around 1.3°C. Expect roughly 12.4 wet days totalling 84.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Buffalo is June–September.
Based on FORT ERIE, ON CA (7.2km), 1995–2024. 24 years of April data.