Punxsutawney, PA 15781 Frost Dates
Frost dates for Punxsutawney, PA, ZIP 15781
Around 05/10 is the usual last spring frost, about 255 days away. The first fall frost typically arrives around 10/12, about 155 frost-free days later.
Punxsutawney sits in USDA Zone 6a (-10 to -5°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 6a around Punxsutawney has about 6 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.
How much risk comes with planting early here
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Punxsutawney compares
At roughly 155 frost-free days, Punxsutawney places 33,959 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,775 of 2,088.
Learn more
zone vs. frost date explains why Zone 6a and Punxsutawney's frost date answer different questions, and the frost range explains how to read the range around Punxsutawney's dates instead of trusting one.