July in Granby averages a daily high of 25.7°C with nights around 16°C. Expect roughly 13.5 wet days totalling 114.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Granby is May–September.
Based on GRANBY, QC CA (2.2km), 1995–2024. 27 years of July data.