August in Ville-Marie averages a daily high of 25.6°C with nights around 16.9°C. Expect roughly 10.4 wet days totalling 106.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Ville-Marie is May–September.
Based on MCTAVISH, QC CA (1km), 1995–2024. 27 years of August data.