Frost dates in Irwinton, GA
The average last spring frost in Irwinton is around March 16 and the first fall frost is around November 14. That gives Irwinton an average growing season of about 243 days.
Last spring frost
| Early (10% chance after) | February 14 |
|---|---|
| Average (50%) | March 16 |
| Late (90%) | April 5 |
First fall frost
| Early (10%) | October 31 |
|---|---|
| Average (50%) | November 14 |
| Late (90% chance before) | December 5 |