
| Month | Low | High |
|---|---|---|
| Jan | 4.9°F | 21.5°F |
| Feb | 6.6°F | 24.5°F |
| Mar | 16.1°F | 33.6°F |
| Apr | 28.8°F | 48.0°F |
| May | 39.3°F | 63.2°F |
| Jun | 46.5°F | 70.7°F |
| Jul | 52.0°F | 75.7°F |
| Aug | 52.4°F | 74.1°F |
| Sept | 44.8°F | 64.8°F |
| Oct | 36.0°F | 52.8°F |
| Nov | 25.9°F | 38.9°F |
| Dec | 13.1°F | 27.2°F |
Sault Ste. Marie's coldest month is January when the average temperature overnight is 4.9°F. In July, the warmest month, the average day time temperature rises to 75.7°F.

| Month | Precipitation |
|---|---|
| Jan | 2.64in. |
| Feb | 1.60in. |
| Mar | 2.41in. |
| Apr | 2.57in. |
| May | 2.50in. |
| Jun | 3.00in. |
| Jul | 3.14in. |
| Aug | 3.47in. |
| Sept | 3.71in. |
| Oct | 3.32in. |
| Nov | 3.40in. |
| Dec | 2.91in. |
The driest month in Sault Ste. Marie is February with 1.60 inches of precipitation, and with 3.71 inches September is the wettest month.