Valley-Hi, PA 16689 Frost Dates
Frost dates for Valley-Hi, PA, ZIP 16689
Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/21, about 177 frost-free days later.
The USDA Plant Hardiness Zone Map puts Valley-Hi 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 Valley-Hi 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.
How much risk comes with planting early here
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Valley-Hi compares
At roughly 177 frost-free days, Valley-Hi places 26,315 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,018 of 2,088.
Learn more
zone vs. frost date explains why Zone 6b and Valley-Hi's frost date answer different questions, and the frost range explains how to read the range around Valley-Hi's dates instead of trusting one.