August in Pierrefonds-Roxboro averages a daily high of 25.7°C with nights around 16.1°C. Expect roughly 10.6 wet days totalling 92mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Pierrefonds-Roxboro is May–September.
Based on MONTREAL PIERRE ELLIOTT TRUDEA, QC CA (8.2km), 1995–2024. 17 years of August data.