Fayette City, PA 15438 Frost Dates
Frost dates for Fayette City, PA, ZIP 15438
Typically, the last spring freeze lands around 05/02, roughly 247 days out. The first fall frost typically arrives around 10/20, about 170 frost-free days later.
Fayette City sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6b around Fayette City 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.
The actual range around Fayette City's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fayette City compares
About 170 days separate Fayette City's last and first frost, putting it 29,194 of 40,283 ZIP codes nationally. Within PA, it ranks 1,503 of 2,088.
Learn more
the frost range explains how to read the range around Fayette City's dates instead of trusting one, and local microclimates explains what one yard in Fayette City can differ from the 15438 normal.