Clarksville, PA 15322 Frost Dates
Frost dates for Clarksville, PA, ZIP 15322
The last spring frost here typically falls around 05/03, about 248 days from today. The first fall frost typically arrives around 10/15, about 164 frost-free days later.
Clarksville 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 Clarksville has about 7 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.
How much risk comes with planting early here
05/03 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Clarksville compares
Clarksville's growing season runs about 164 days, ranking 31,217 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,629 of 2,088.
Learn more
zone vs. frost date explains why Zone 6b and Clarksville's frost date answer different questions, and the frost range explains how to read the range around Clarksville's dates instead of trusting one.