Brisbin, PA 16620 Frost Dates
16620, near Brisbin, PA: the frost window
Typically, the last spring freeze lands around 05/13, roughly 258 days out. Fall's first freeze usually shows up around 10/01, roughly 142 days after the last spring frost.
Brisbin 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
Brisbin's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/29 and only about 1 year in 10 sees frost after that.
Brisbin against the rest of the dataset
About 142 days separate Brisbin's last and first frost, putting it 36,806 of 40,283 ZIP codes nationally. Within PA, it ranks 1,962 of 2,088.
Learn more
Two guides worth reading on 16620: the frost range, on how to read the range around Brisbin's dates instead of trusting one, and local microclimates, on what one yard in Brisbin can differ from the 16620 normal.