Frost dates in Cook, MN
The average last spring frost in Cook is around May 12 and the first fall frost is around October 4. That gives Cook an average growing season of about 145 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 24 |
First fall frost
| Early (10%) | September 17 |
|---|---|
| Average (50%) | October 4 |
| Late (90% chance before) | October 13 |