Frost dates in Harriman, TN
The average last spring frost in Harriman is around April 6 and the first fall frost is around November 2. That gives Harriman an average growing season of about 210 days.
Last spring frost
| Early (10% chance after) | March 20 |
|---|---|
| Average (50%) | April 6 |
| Late (90%) | April 20 |
First fall frost
| Early (10%) | October 22 |
|---|---|
| Average (50%) | November 2 |
| Late (90% chance before) | November 14 |