The temperatures in Sault Ste. Marie in August are comfortable with low of 12°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Sault Ste. Marie during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Sault Ste. Marie in August 2025.
If you’re planning to visit Sault Ste. Marie in the near future, we highly recommend that you review the 14 day weather forecast for Sault Ste. Marie before you arrive.
Temperatures
23° / 12°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
109
mm
Sun Hours
9.8
Hrs