Frost dates in Surgoinsville, TN
The average last spring frost in Surgoinsville is around April 18 and the first fall frost is around October 21. That gives Surgoinsville an average growing season of about 186 days.
Last spring frost
| Early (10% chance after) | April 3 |
|---|---|
| Average (50%) | April 18 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | October 7 |
|---|---|
| Average (50%) | October 21 |
| Late (90% chance before) | November 6 |