January in Moncton averages a daily high of -3°C with nights around -12.6°C. Expect roughly 14.3 wet days totalling 76.3mm. 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. 27 years of January data.