Frost dates in Petersburg, WV
The average last spring frost in Petersburg is around April 28 and the first fall frost is around October 19. That gives Petersburg an average growing season of about 174 days.
Last spring frost
| Early (10% chance after) | April 10 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 15 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 19 |
| Late (90% chance before) | October 30 |