Frost dates in Rison, AR
The average last spring frost in Rison is around March 29 and the first fall frost is around November 3. That gives Rison an average growing season of about 219 days.
Last spring frost
| Early (10% chance after) | March 5 |
|---|---|
| Average (50%) | March 29 |
| Late (90%) | April 15 |
First fall frost
| Early (10%) | October 20 |
|---|---|
| Average (50%) | November 3 |
| Late (90% chance before) | November 22 |