Frost dates in Mountain Grove, MO
The average last spring frost in Mountain Grove is around April 16 and the first fall frost is around October 20. That gives Mountain Grove an average growing season of about 187 days.
Last spring frost
| Early (10% chance after) | March 31 |
|---|---|
| Average (50%) | April 16 |
| Late (90%) | May 2 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 20 |
| Late (90% chance before) | November 6 |