Northampton County, Pennsylvania
Local growing conditions for Northampton County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 22 ZIP codes in our data.
Hardiness zones in Northampton County
Northampton County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Northampton County for its live forecast, frost dates, and planting calendar:
East Bangor 18013
Chapman 18014
Bethlehem 18015
Bethlehem 18017
Middletown 18020
Cherryville 18035
Cherryville 18038
Chestnut Hill 18040
Glendon 18042
Palmer Heights 18045
Bethlehem 18055
Martins Creek 18063
Nazareth 18064
Northampton 18067
Pen Argyl 18072
Stockertown 18083
Tatamy 18085
Cherryville 18086
Cherryville 18088
Wind Gap 18091
Mount Bethel 18343
Portland 18351
More for Pennsylvania
- Agriculture in Pennsylvania
- Frost dates across Pennsylvania
- USDA hardiness zones explained
- Planting calendar by ZIP code
← All counties in Pennsylvania
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.