Frost dates in Ormsby, MN
The average last spring frost in Ormsby is around April 30 and the first fall frost is around October 5. That gives Ormsby an average growing season of about 158 days.
Last spring frost
| Early (10% chance after) | April 15 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 12 |
First fall frost
| Early (10%) | September 21 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 21 |