Frost dates in Chisholm, MN
The average last spring frost in Chisholm is around May 31 and the first fall frost is around September 12. That gives Chisholm an average growing season of about 104 days.
Last spring frost
| Early (10% chance after) | May 15 |
|---|---|
| Average (50%) | May 31 |
| Late (90%) | June 13 |
First fall frost
| Early (10%) | August 28 |
|---|---|
| Average (50%) | September 12 |
| Late (90% chance before) | September 22 |