Frost dates in Bemidji, MN
The average last spring frost in Bemidji is around May 23 and the first fall frost is around September 20. That gives Bemidji an average growing season of about 120 days.
Last spring frost
| Early (10% chance after) | May 7 |
|---|---|
| Average (50%) | May 23 |
| Late (90%) | June 7 |
First fall frost
| Early (10%) | August 30 |
|---|---|
| Average (50%) | September 20 |
| Late (90% chance before) | October 4 |