Frost dates in Knoxville, TN
The average last spring frost in Knoxville is around April 10 and the first fall frost is around October 28. That gives Knoxville an average growing season of about 201 days.
Last spring frost
| Early (10% chance after) | March 25 |
|---|---|
| Average (50%) | April 10 |
| Late (90%) | April 24 |
First fall frost
| Early (10%) | October 14 |
|---|---|
| Average (50%) | October 28 |
| Late (90% chance before) | November 11 |