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.

Map List Related Pages

Interactive Map of Average Last Frost Dates for Pennsylvania

Click on the map for more information. Click on the icon in the lower right to view the map legend. Add additional data layers using the icon in the upper right corner.

List of Average Last Frost Dates for Locations in Pennsylvania

LocationAverage Last Frost Dates
AllentownMay 1 - 10
Allison ParkApril 21 - 30
Allison ParkApril 21 - 30
AltoonaMay 11 - 20
BaldwinApril 21 - 30
Bethel ParkMay 1 - 10
BethlehemMay 1 - 10
BroomallApril 21 - 30
Bryn MawrApril 21 - 30
CarlisleApril 21 - 30
ChambersburgApril 21 - 30
ChesterApril 1 - 10
ChurchvilleApril 21 - 30
Colonial ParkApril 21 - 30
Drexel HillApril 11 - 20
EastonMay 1 - 10
ErieMay 1 - 10
Franklin ParkMay 1 - 10
FullertonMay 1 - 10
HanoverApril 21 - 30
HarrisburgApril 21 - 30
HazletonMay 11 - 20
HermitageMay 11 - 20
HorshamApril 21 - 30
JohnstownMay 1 - 10
King of PrussiaMay 1 - 10
LancasterApril 21 - 30
LansdaleMay 1 - 10
LebanonMay 1 - 10
LevittownApril 11 - 20
McKeesportMay 1 - 10
MonroevilleMay 1 - 10
MurrysvilleMay 11 - 20
New CastleMay 11 - 20
NorristownApril 21 - 30
PaoliMay 1 - 10
PhiladelphiaApril 11 - 20
PhoenixvilleMay 1 - 10
PittsburghApril 21 - 30
PlumMay 1 - 10
PottstownMay 1 - 10
ReadingApril 21 - 30
ScrantonMay 1 - 10
State CollegeMay 1 - 10
WeigelstownApril 21 - 30
West ChesterApril 21 - 30
West MifflinMay 1 - 10
WhitehallApril 21 - 30
Wilkes-BarreMay 1 - 10
WilliamsportMay 1 - 10
YorkApril 21 - 30

Maps for Neighboring Areas

2025 plantmaps.com