Frost dates in Hillsboro, MO
The average last spring frost in Hillsboro is around April 19 and the first fall frost is around October 18. That gives Hillsboro an average growing season of about 182 days.
Last spring frost
| Early (10% chance after) | February 24 |
|---|---|
| Average (50%) | April 19 |
| Late (90%) | May 2 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 18 |
| Late (90% chance before) | December 1 |