Frost dates in Altamont, TN
The average last spring frost in Altamont is around April 22 and the first fall frost is around October 17. That gives Altamont an average growing season of about 178 days.
Last spring frost
| Early (10% chance after) | April 10 |
|---|---|
| Average (50%) | April 22 |
| Late (90%) | May 9 |
First fall frost
| Early (10%) | October 2 |
|---|---|
| Average (50%) | October 17 |
| Late (90% chance before) | October 30 |