Frost dates in Chattanooga, TN
The average last spring frost in Chattanooga is around March 31 and the first fall frost is around November 4. That gives Chattanooga an average growing season of about 218 days.
Last spring frost
| Early (10% chance after) | March 14 |
|---|---|
| Average (50%) | March 31 |
| Late (90%) | April 15 |
First fall frost
| Early (10%) | October 22 |
|---|---|
| Average (50%) | November 4 |
| Late (90% chance before) | November 17 |