FrostDateCheck

Dunbar, WV 25064 Frost Dates

Frost dates for Dunbar, WV, ZIP 25064

Zone 7a

The last spring frost here typically falls around 04/23, about 238 days from today. The first fall frost typically arrives around 10/20, about 180 frost-free days later.

Dunbar sits in USDA Zone 7a (0 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 7a around Dunbar 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 04/23 isn't a guarantee

04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Dunbar compares

At roughly 180 frost-free days, Dunbar places 24,832 of 40,283 ZIP codes in this dataset. Within WV, it ranks 463 of 885.

Learn more

zone vs. frost date explains why Zone 7a and Dunbar's frost date answer different questions, and the frost range explains how to read the range around Dunbar's dates instead of trusting one.