East Greenville, PA 18041 Frost Dates
Frost dates for East Greenville, PA, ZIP 18041
Typically, the last spring freeze lands around 04/26, roughly 241 days out. The first fall frost typically arrives around 10/17, about 175 frost-free days later.
The USDA Plant Hardiness Zone Map puts East Greenville in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 7a around East Greenville has about 7 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 04/26 isn't a guarantee
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How East Greenville compares
About 175 days separate East Greenville's last and first frost, putting it 26,928 of 40,283 ZIP codes nationally. Within PA, it ranks 1,155 of 2,088.
Learn more
local microclimates explains what one yard in East Greenville can differ from the 18041 normal, and zone vs. frost date explains why Zone 7a and East Greenville's frost date answer different questions.