Frost dates in Stewart, MN
The average last spring frost in Stewart is around April 29 and the first fall frost is around October 7. That gives Stewart an average growing season of about 161 days.
Last spring frost
| Early (10% chance after) | April 16 |
|---|---|
| Average (50%) | April 29 |
| Late (90%) | May 15 |
First fall frost
| Early (10%) | September 25 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 17 |