Frost dates in Monessen, PA
The average last spring frost in Monessen is around April 21 and the first fall frost is around November 3. That gives Monessen 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 |