March in Welland averages a daily high of 5.8°C with nights around -3.7°C. Expect roughly 11.7 wet days totalling 61.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Welland is May–September.
Based on WELLAND PELHAM, ON CA (7.1km), 1995–2024. 19 years of March data.