Frost dates in Sulphur Rock, AR
The average last spring frost in Sulphur Rock is around April 5 and the first fall frost is around October 28. That gives Sulphur Rock an average growing season of about 206 days.
Last spring frost
| Early (10% chance after) | March 17 |
|---|---|
| Average (50%) | April 5 |
| Late (90%) | April 21 |
First fall frost
| Early (10%) | October 14 |
|---|---|
| Average (50%) | October 28 |
| Late (90% chance before) | November 13 |