FrostDateCheck

Grantsville, WV 26136 Frost Dates

Frost dates for Grantsville, WV, ZIP 26136

Zone 6b

The last spring frost here typically falls around 04/26, about 241 days from today. The first fall frost typically arrives around 10/20, about 175 frost-free days later.

Grantsville 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 Grantsville 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

04/26 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. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Grantsville compares

At roughly 175 frost-free days, Grantsville places 27,180 of 40,283 ZIP codes in this dataset. Within WV, it ranks 615 of 885.

Learn more

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