Frost dates in St. Clairsville, OH
The average last spring frost in St. Clairsville is around April 20 and the first fall frost is around November 3. That gives St. Clairsville an average growing season of about 197 days.
Last spring frost
| Early (10% chance after) | April 6 |
|---|---|
| Average (50%) | April 20 |
| Late (90%) | April 28 |
First fall frost
| Early (10%) | October 18 |
|---|---|
| Average (50%) | November 3 |
| Late (90% chance before) | November 11 |