June in Granby averages a daily high of 23.6°C with nights around 13.3°C. Expect roughly 13.8 wet days totalling 110.9mm. 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. 25 years of June data.