Frost dates in Knoxville, AR
The average last spring frost in Knoxville is around March 25 and the first fall frost is around November 13. That gives Knoxville an average growing season of about 233 days.
Last spring frost
| Early (10% chance after) | March 6 |
|---|---|
| Average (50%) | March 25 |
| Late (90%) | April 9 |
First fall frost
| Early (10%) | November 1 |
|---|---|
| Average (50%) | November 13 |
| Late (90% chance before) | November 27 |