Adamsburg, PA 15611 Frost Dates
15611, near Adamsburg, PA: the frost window
Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/13, roughly 164 days after the last spring frost.
Adamsburg 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.
Stretching the season past the first frost
Adamsburg's growing season runs out in roughly 7 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 Adamsburg's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Adamsburg against the rest of the dataset
Adamsburg's growing season runs about 164 days, ranking 31,227 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,631 of 2,088.
Learn more
Two guides worth reading on 15611: zone vs. frost date, on why Zone 6b and Adamsburg's frost date answer different questions, and the frost range, on how to read the range around Adamsburg's dates instead of trusting one.