FrostDateCheck

Roaring Spring, PA 16637 Frost Dates

Frost dates for Roaring Spring, PA, ZIP 16637

Zone 6b

Typically, the last spring freeze lands around 04/23, roughly 238 days out. The first fall frost typically arrives around 10/21, about 177 frost-free days later.

Roaring Spring 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 Roaring Spring 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 Roaring Spring compares

About 177 days separate Roaring Spring's last and first frost, putting it 26,133 of 40,283 ZIP codes nationally. Within PA, it ranks 952 of 2,088.

Learn more

zone vs. frost date explains why Zone 6b and Roaring Spring's frost date answer different questions, and the frost range explains how to read the range around Roaring Spring's dates instead of trusting one.