Lenhartsville, PA 19529 Frost Dates
Frost dates for Lenhartsville, PA, ZIP 19529
Typically, the last spring freeze lands around 04/10, roughly 225 days out. The first fall frost typically arrives around 10/31, about 202 frost-free days later.
Lenhartsville sits in USDA Zone 6b (-5 to 0°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
Zone 6b around Lenhartsville has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Lenhartsville's last frost
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lenhartsville compares
About 202 days separate Lenhartsville's last and first frost, putting it 17,371 of 40,283 ZIP codes nationally. Within PA, it ranks 238 of 2,088.
Learn more
zone vs. frost date explains why Zone 6b and Lenhartsville's frost date answer different questions, and the frost range explains how to read the range around Lenhartsville's dates instead of trusting one.