Frost dates in St. Marys, WV
The average last spring frost in St. Marys is around April 24 and the first fall frost is around October 25. That gives St. Marys an average growing season of about 184 days.
Last spring frost
| Early (10% chance after) | April 12 |
|---|---|
| Average (50%) | April 24 |
| Late (90%) | May 2 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 25 |
| Late (90% chance before) | November 6 |