Frost dates in Crookston, MN
The average last spring frost in Crookston is around May 15 and the first fall frost is around September 23. That gives Crookston an average growing season of about 131 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 15 |
| Late (90%) | May 29 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | September 23 |
| Late (90% chance before) | October 9 |