South Greensburg, PA 15676 Frost Dates
Frost dates for South Greensburg, PA, ZIP 15676
The last spring frost here typically falls around 05/01, about 246 days from today. The first fall frost typically arrives around 10/13, about 164 frost-free days later.
South Greensburg 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 South Greensburg 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.
Why 05/01 isn't a guarantee
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How South Greensburg compares
About 164 days separate South Greensburg's last and first frost, putting it 30,993 of 40,283 ZIP codes nationally. Within PA, it ranks 1,585 of 2,088.
Learn more
the frost range explains how to read the range around South Greensburg's dates instead of trusting one, and local microclimates explains what one yard in South Greensburg can differ from the 15676 normal.