Frost dates in Bird Island, MN
The average last spring frost in Bird Island is around May 2 and the first fall frost is around October 2. That gives Bird Island an average growing season of about 153 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | May 2 |
| Late (90%) | May 14 |
First fall frost
| Early (10%) | September 19 |
|---|---|
| Average (50%) | October 2 |
| Late (90% chance before) | October 14 |