Coalport, PA 16644 Frost Dates
Frost dates for Coalport, PA, ZIP 16644
The last spring frost here typically falls around 05/13, about 258 days from today. 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
Coalport's growing season runs about 142 days, ranking 36,803 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,961 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 16644 normal.