McAdoo, PA 18237 Frost Dates
McAdoo, PA: when does the frost end?
Around 04/30 is the usual last spring frost, about 245 days away. Fall's first freeze usually shows up around 10/22, roughly 175 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts McAdoo in Zone 6b (-5 to 0°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
With roughly 8 weeks until McAdoo's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around McAdoo's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
McAdoo against the rest of the dataset
McAdoo's growing season runs about 175 days, ranking 26,957 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,168 of 2,088.
Learn more
Before leaning on 18237's figures: the frost range explains how to read the range around McAdoo's dates instead of trusting one, while local microclimates explains what one yard in McAdoo can differ from the 18237 normal.