Frost dates in Thornton, AR
The average last spring frost in Thornton is around March 25 and the first fall frost is around November 5. That gives Thornton an average growing season of about 225 days.
Last spring frost
| Early (10% chance after) | March 7 |
|---|---|
| Average (50%) | March 25 |
| Late (90%) | April 11 |
First fall frost
| Early (10%) | October 21 |
|---|---|
| Average (50%) | November 5 |
| Late (90% chance before) | November 24 |