Punxsutawney, PA 15767 Frost Dates
Frost dates for Punxsutawney, PA, ZIP 15767
Typically, the last spring freeze lands around 05/06, roughly 251 days out. The first fall frost typically arrives around 10/14, about 160 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 Punxsutawney, not a forecast for this year.
What to do before the first frost
Zone 6a around Punxsutawney has about 7 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 05/06 isn't a guarantee
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Punxsutawney compares
At roughly 160 frost-free days, Punxsutawney places 32,296 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,694 of 2,088.
Learn more
the frost range explains how to read the range around Punxsutawney's dates instead of trusting one, and local microclimates explains what one yard in Punxsutawney can differ from the 15767 normal.