Frost dates in Gravois Mills, MO
The average last spring frost in Gravois Mills is around April 15 and the first fall frost is around October 19. That gives Gravois Mills an average growing season of about 187 days.
Last spring frost
| Early (10% chance after) | March 31 |
|---|---|
| Average (50%) | April 15 |
| Late (90%) | May 9 |
First fall frost
| Early (10%) | October 4 |
|---|---|
| Average (50%) | October 19 |
| Late (90% chance before) | November 1 |