April in Montréal averages a daily high of 11.4°C with nights around 2.6°C. Expect roughly 12.2 wet days totalling 99.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Montréal is May–September.
Based on MCTAVISH, QC CA (1km), 1995–2024. 28 years of April data.