July in Gatineau averages a daily high of 26.8°C with nights around 15.1°C. Expect roughly 10.2 wet days totalling 94.6mm. 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. 22 years of July data.