August in Toronto averages a daily high of 26.4°C with nights around 17.8°C. Expect roughly 8.3 wet days totalling 60.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Toronto is June–September.
Based on TORONTO CITY, ON CA (4.4km), 1995–2024. 22 years of August data.