Coalport, PA 16640 Frost Dates
Frost dates for Coalport, PA, ZIP 16640
Typically, the last spring freeze lands around 05/13, roughly 258 days out. The first fall frost typically arrives around 10/01, about 142 frost-free days later.
Zone 6a (-10 to -5°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 Coalport, not a forecast for this year.
What to do before the first frost
Zone 6a around Coalport has about 5 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 Coalport's last frost
05/13 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 and you're betting against frost in roughly 9 years out of 10. 05/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Coalport compares
At roughly 142 frost-free days, Coalport places 36,802 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,960 of 2,088.
Learn more
the frost range explains how to read the range around Coalport's dates instead of trusting one, and local microclimates explains what one yard in Coalport can differ from the 16640 normal.