Frost dates in Monongahela, PA
The average last spring frost in Monongahela is around April 21 and the first fall frost is around November 3. That gives Monongahela an average growing season of about 196 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 21 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | October 25 |
|---|---|
| Average (50%) | November 3 |
| Late (90% chance before) | November 14 |