March in Moncton averages a daily high of 2.1°C with nights around -7.5°C. Expect roughly 14.9 wet days totalling 69mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Moncton is June–September.
Based on BUCTOUCHE CDA CS, NB CA (37.7km), 1995–2024. 26 years of March data.