Frost dates in Dunnell, MN
The average last spring frost in Dunnell is around April 28 and the first fall frost is around October 10. That gives Dunnell an average growing season of about 165 days.
Last spring frost
| Early (10% chance after) | April 17 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | September 26 |
|---|---|
| Average (50%) | October 10 |
| Late (90% chance before) | October 25 |