Youngsville, PA 16366 Frost Dates
When can you plant in Youngsville, PA?
Around 05/22 is the usual last spring frost, about 267 days away. The first fall frost typically arrives around 09/30, about 131 frost-free days later.
Youngsville 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.
What to do before the first frost
About 5 weeks of growing season left in Youngsville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Youngsville's last frost
05/22 is the middle of 30 years of NOAA records, not a promise. Plant by 05/06 and you're betting against frost in roughly 9 years out of 10. 06/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Youngsville compares
Youngsville's growing season runs about 131 days, ranking 38,293 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 2,069 of 2,088.
Learn more
the frost range covers how to read the range around Youngsville's dates instead of trusting one. local microclimates covers what one yard in Youngsville can differ from the 16366 normal.