South Fork, PA 15951 Frost Dates
Frost dates for South Fork, PA, ZIP 15951
Around 04/29 is the usual last spring frost, about 244 days away. The first fall frost typically arrives around 10/21, about 176 frost-free days later.
South Fork 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
Zone 6a around South Fork has about 8 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 South Fork's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How South Fork compares
South Fork's growing season runs about 176 days, ranking 26,555 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,070 of 2,088.
Learn more
the frost range explains how to read the range around South Fork's dates instead of trusting one, and local microclimates explains what one yard in South Fork can differ from the 15951 normal.