Frost dates in Pittsburgh, PA
The average last spring frost in Pittsburgh is around April 17 and the first fall frost is around October 26. That gives Pittsburgh an average growing season of about 192 days.
Last spring frost
| Early (10% chance after) | April 6 |
|---|---|
| Average (50%) | April 17 |
| Late (90%) | April 29 |
First fall frost
| Early (10%) | October 7 |
|---|---|
| Average (50%) | October 26 |
| Late (90% chance before) | November 10 |