June in Gatineau averages a daily high of 24.6°C with nights around 12.7°C. Expect roughly 11.9 wet days totalling 105.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Gatineau is May–September.
Based on CHELSEA, QC CA (7.7km), 1995–2024. 19 years of June data.