Frost dates in Harrisonville, MO
The average last spring frost in Harrisonville is around April 11 and the first fall frost is around October 27. That gives Harrisonville an average growing season of about 199 days.
Last spring frost
| Early (10% chance after) | March 25 |
|---|---|
| Average (50%) | April 11 |
| Late (90%) | April 22 |
First fall frost
| Early (10%) | October 12 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 13 |