Frost dates in Clairton, PA
The average last spring frost in Clairton is around April 26 and the first fall frost is around October 19. That gives Clairton an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 17 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 19 |
| Late (90% chance before) | November 2 |