Auburn, PA 17922 Frost Dates
Auburn, PA: when does the frost end?
Around 04/10 is the usual last spring frost, about 225 days away. Fall's first freeze usually shows up around 10/31, roughly 202 days after the last spring frost.
Auburn sits in USDA Zone 7a (0 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
With roughly 9 weeks until Auburn's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Auburn against the rest of the dataset
Auburn's growing season runs about 202 days, ranking 17,321 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 232 of 2,088.
Learn more
Before leaning on 17922's figures: the frost range explains how to read the range around Auburn's dates instead of trusting one, while local microclimates explains what one yard in Auburn can differ from the 17922 normal.