June in Buffalo averages a daily high of 23.9°C with nights around 13.5°C. Expect roughly 11.2 wet days totalling 86.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Buffalo is June–September.
Based on FORT ERIE, ON CA (7.2km), 1995–2024. 25 years of June data.