FrostDateCheck

Charleston, WV 25304 Frost Dates

Frost dates for Charleston, WV, ZIP 25304

Zone 7a

The last spring frost here typically falls around 04/16, about 231 days from today. The first fall frost typically arrives around 10/26, about 192 frost-free days later.

Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Charleston, not a forecast for this year.

What to do before the first frost

Zone 7a around Charleston 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.

The actual range around Charleston's last frost

04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Charleston compares

At roughly 192 frost-free days, Charleston places 20,152 of 40,283 ZIP codes in this dataset. Within WV, it ranks 238 of 885.

Learn more

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