Sharon Hill, PA 19079 Frost Dates
Frost dates for Sharon Hill, PA, ZIP 19079
The last spring frost here typically falls around 04/02, about 217 days from today. The first fall frost typically arrives around 11/10, about 224 frost-free days later.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Sharon Hill, not a forecast for this year.
What to do before the first frost
Zone 7b around Sharon Hill has about 11 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/02 isn't a guarantee
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/19 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sharon Hill compares
At roughly 224 frost-free days, Sharon Hill places 11,837 of 40,283 ZIP codes in this dataset. Within PA, it ranks 21 of 2,088.
Learn more
the frost range explains how to read the range around Sharon Hill's dates instead of trusting one, and local microclimates explains what one yard in Sharon Hill can differ from the 19079 normal.