Frost dates in Lebanon, PA
The average last spring frost in Lebanon is around April 25 and the first fall frost is around October 19. That gives Lebanon an average growing season of about 177 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 25 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 19 |
| Late (90% chance before) | November 3 |