Average Last Frost Dates for Pennsylvania
About Last Frost Dates in Pennsylvania
Last Frost Dates were calculated using daily climate data from the period between 1991-2020.
Interactive Map of Average Last Frost Dates for Pennsylvania
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List of Average Last Frost Dates for Locations in Pennsylvania
| Location | Average Last Frost Dates |
|---|---|
| Allentown | May 1 - 10 |
| Allison Park | April 21 - 30 |
| Allison Park | April 21 - 30 |
| Altoona | May 11 - 20 |
| Baldwin | April 21 - 30 |
| Bethel Park | May 1 - 10 |
| Bethlehem | May 1 - 10 |
| Broomall | April 21 - 30 |
| Bryn Mawr | April 21 - 30 |
| Carlisle | April 21 - 30 |
| Chambersburg | April 21 - 30 |
| Chester | April 1 - 10 |
| Churchville | April 21 - 30 |
| Colonial Park | April 21 - 30 |
| Drexel Hill | April 11 - 20 |
| Easton | May 1 - 10 |
| Erie | May 1 - 10 |
| Franklin Park | May 1 - 10 |
| Fullerton | May 1 - 10 |
| Hanover | April 21 - 30 |
| Harrisburg | April 21 - 30 |
| Hazleton | May 11 - 20 |
| Hermitage | May 11 - 20 |
| Horsham | April 21 - 30 |
| Johnstown | May 1 - 10 |
| King of Prussia | May 1 - 10 |
| Lancaster | April 21 - 30 |
| Lansdale | May 1 - 10 |
| Lebanon | May 1 - 10 |
| Levittown | April 11 - 20 |
| McKeesport | May 1 - 10 |
| Monroeville | May 1 - 10 |
| Murrysville | May 11 - 20 |
| New Castle | May 11 - 20 |
| Norristown | April 21 - 30 |
| Paoli | May 1 - 10 |
| Philadelphia | April 11 - 20 |
| Phoenixville | May 1 - 10 |
| Pittsburgh | April 21 - 30 |
| Plum | May 1 - 10 |
| Pottstown | May 1 - 10 |
| Reading | April 21 - 30 |
| Scranton | May 1 - 10 |
| State College | May 1 - 10 |
| Weigelstown | April 21 - 30 |
| West Chester | April 21 - 30 |
| West Mifflin | May 1 - 10 |
| Whitehall | April 21 - 30 |
| Wilkes-Barre | May 1 - 10 |
| Williamsport | May 1 - 10 |
| York | April 21 - 30 |