Shippenville, PA 16257 Frost Dates
Shippenville, PA: when does the frost end?
Around 05/10 is the usual last spring frost, about 255 days away. Fall's first freeze usually shows up around 10/12, roughly 155 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Shippenville 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
With roughly 6 weeks until Shippenville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Shippenville's last frost
05/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/28 and only about 1 year in 10 sees frost after that.
Shippenville against the rest of the dataset
Shippenville's growing season runs about 155 days, ranking 34,095 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,823 of 2,088.
Learn more
Before leaning on 16257's figures: local microclimates explains what one yard in Shippenville can differ from the 16257 normal, while zone vs. frost date explains why Zone 6a and Shippenville's frost date answer different questions.