Sault Ste. Marie weather in March 2025
Expect 0°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Sault Ste. Marie in March. Check more long-term weather averages for Sault Ste. Marie in March before you book your next holiday to Ontario in 2025/2026.
- 00°C max day temperature
- 6 hours of sunshine per day
- 1313 days with some rainfall
- -10-10°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 6363 mm of monthly rainfall
- 33 (Moderate) UV index
- 22°C sea temperature
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