FrostDateCheck

Punxsutawney, PA 15711 Frost Dates

Punxsutawney, PA: when does the frost end?

Zone 6a

The last spring frost here typically falls around 05/06, about 251 days from today. Fall's first freeze usually shows up around 10/14, roughly 160 days after the last spring frost.

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.

Stretching the season past the first frost

With roughly 7 weeks until Punxsutawney's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

How much risk comes with planting early here

05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/23 and only about 1 year in 10 sees frost after that.

Punxsutawney against the rest of the dataset

Punxsutawney's growing season runs about 160 days, ranking 32,294 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,692 of 2,088.

Learn more

Before leaning on 15711's figures: zone vs. frost date explains why Zone 6a and Punxsutawney's frost date answer different questions, while the frost range explains how to read the range around Punxsutawney's dates instead of trusting one.