November in Longueuil averages a daily high of 6.1°C with nights around -0.2°C. Expect roughly 12.5 wet days totalling 86.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Longueuil is May–September.
Based on MCTAVISH, QC CA (9.1km), 1995–2024. 26 years of November data.