Frost dates in Oak Grove, MN
The average last spring frost in Oak Grove is around May 10 and the first fall frost is around September 28. That gives Oak Grove an average growing season of about 141 days.
Last spring frost
| Early (10% chance after) | April 25 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 25 |
First fall frost
| Early (10%) | September 20 |
|---|---|
| Average (50%) | September 28 |
| Late (90% chance before) | October 8 |