Edinboro, PA 16412 Frost Dates
16412, near Edinboro, PA: the frost window
Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 11/04, roughly 192 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Edinboro in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Edinboro's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Edinboro's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Edinboro against the rest of the dataset
Edinboro's growing season runs about 192 days, ranking 20,277 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 517 of 2,088.
Learn more
Two guides worth reading on 16412: zone vs. frost date, on why Zone 6a and Edinboro's frost date answer different questions, and the frost range, on how to read the range around Edinboro's dates instead of trusting one.