June in Saint-Léonard averages a daily high of 24°C with nights around 14.8°C. Expect roughly 11.6 wet days totalling 100.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Saint-Léonard is May–September.
Based on MCTAVISH, QC CA (9.8km), 1995–2024. 25 years of June data.