Fountain Hill, PA 18015 Frost Dates
Frost dates for Fountain Hill, PA, ZIP 18015
Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 10/24, about 184 frost-free days later.
The USDA Plant Hardiness Zone Map puts Fountain Hill 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 Fountain Hill has about 8 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 04/20 isn't a guarantee
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fountain Hill compares
About 184 days separate Fountain Hill's last and first frost, putting it 23,507 of 40,283 ZIP codes nationally. Within PA, it ranks 776 of 2,088.
Learn more
the frost range explains how to read the range around Fountain Hill's dates instead of trusting one, and local microclimates explains what one yard in Fountain Hill can differ from the 18015 normal.