Frost dates in Fort Smith, AR
The average last spring frost in Fort Smith is around March 29 and the first fall frost is around November 4. That gives Fort Smith an average growing season of about 220 days.
Last spring frost
| Early (10% chance after) | March 13 |
|---|---|
| Average (50%) | March 29 |
| Late (90%) | April 14 |
First fall frost
| Early (10%) | October 19 |
|---|---|
| Average (50%) | November 4 |
| Late (90% chance before) | November 19 |