March in Fredericton averages a daily high of 3°C with nights around -7.2°C. Expect roughly 12.3 wet days totalling 85.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Fredericton is June–September.
Based on FREDERICTON CDA CS, NB CA (4.9km), 1995–2024. 23 years of March data.