Frost dates in Grafton, WV
The average last spring frost in Grafton is around April 26 and the first fall frost is around October 20. That gives Grafton an average growing season of about 177 days.
Last spring frost
| Early (10% chance after) | April 13 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 17 |
First fall frost
| Early (10%) | October 11 |
|---|---|
| Average (50%) | October 20 |
| Late (90% chance before) | November 2 |