Frost dates in Olean, MO
The average last spring frost in Olean is around April 12 and the first fall frost is around October 26. That gives Olean an average growing season of about 197 days.
Last spring frost
| Early (10% chance after) | March 27 |
|---|---|
| Average (50%) | April 12 |
| Late (90%) | April 29 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 26 |
| Late (90% chance before) | November 9 |