April in Granby averages a daily high of 10.8°C with nights around 1°C. Expect roughly 12.3 wet days totalling 94.4mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Granby is May–September.
Based on GRANBY, QC CA (2.2km), 1995–2024. 29 years of April data.