March in Sault Ste. Marie averages a daily high of 1.8°C with nights around -10.3°C. Expect roughly 12.7 wet days totalling 49.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Sault Ste. Marie is May–September.
Based on SAULT STE MARIE, MI US (3.2km), 1995–2024. 26 years of March data.