FrostDateCheck

Harman, WV 26886 Frost Dates

Frost dates for Harman, WV, ZIP 26886

Zone 6a

Typically, the last spring freeze lands around 05/07, roughly 252 days out. The first fall frost typically arrives around 10/07, about 151 frost-free days later.

Harman sits in USDA Zone 6a (-10 to -5°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 6a around Harman has about 6 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

05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/27 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Harman compares

About 151 days separate Harman's last and first frost, putting it 35,205 of 40,283 ZIP codes nationally. Within WV, it ranks 859 of 885.

Learn more

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