March in Saint-Jérôme averages a daily high of 2.1°C with nights around -7.8°C. Expect roughly 8.3 wet days totalling 62.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Saint-Jérôme is June–September.
Based on ST JEROME, QC CA (4.2km), 1995–2024. 22 years of March data.