Shenandoah, PA 17976 Frost Dates
Frost dates for Shenandoah, PA, ZIP 17976
The last spring frost here typically falls around 04/30, about 245 days from today. The first fall frost typically arrives around 10/22, about 175 frost-free days later.
The USDA Plant Hardiness Zone Map puts Shenandoah in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6b around Shenandoah 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.
Why 04/30 isn't a guarantee
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Shenandoah compares
About 175 days separate Shenandoah's last and first frost, putting it 26,894 of 40,283 ZIP codes nationally. Within PA, it ranks 1,140 of 2,088.
Learn more
the frost range explains how to read the range around Shenandoah's dates instead of trusting one, and local microclimates explains what one yard in Shenandoah can differ from the 17976 normal.