Avonmore, PA 15686 Frost Dates
Frost dates for Avonmore, PA, ZIP 15686
Typically, the last spring freeze lands around 04/29, roughly 244 days out. The first fall frost typically arrives around 10/20, about 171 frost-free days later.
Avonmore 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 Avonmore 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 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Avonmore compares
At roughly 171 frost-free days, Avonmore places 28,744 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,437 of 2,088.
Learn more
the frost range explains how to read the range around Avonmore's dates instead of trusting one, and local microclimates explains what one yard in Avonmore can differ from the 15686 normal.