Last frost date in Sault Ste. Marie, Michigan
May 9
Average last frost in spring. In an early year (1 in 10) it's over by April 27; in a late year (1 in 10) it comes after May 27.
October 11
Average first frost in fall. 1 year in 10 it comes by September 26.
Source: NOAA U.S. Climate Normals 1991–2020, station Sault Ste Marie Sanderson Fld (USW00014847), 0.7 miles from Sault Ste. Marie, elevation 722 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 27 | May 9 | May 27 |
| First frost in fall | Sept 26 | Oct 11 | Oct 26 |
Frost-free days in an average year: 151
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 26 | Sept 29 |
| Frost (32°F) | Every year | May 9 | Oct 11 |
| Hard freeze (28°F) | Every year | Apr 27 | Oct 26 |
Nights at 32°F or colder in an average year: 164
What to plant now in Sault Ste. Marie
- Spring planting calendar for an average last frost around May 10 Sault Ste. Marie: May 9
- Fall planting calendar for an average first frost around October 10 Sault Ste. Marie: October 11
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Michigan
- Alpena 107 mi · last frost May 5
- Traverse City 133 mi · last frost May 12
- Escanaba 139 mi · last frost May 13
- Marquette 144 mi · last frost May 8
- Cadillac 162 mi · last frost May 19
Updated