South Charleston, WV 25003 Frost Dates
Frost dates for South Charleston, WV, ZIP 25003
Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/20, about 180 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 South Charleston, not a forecast for this year.
What to do before the first frost
Zone 7a around South 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.
How much risk comes with planting early here
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 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 South Charleston compares
About 180 days separate South Charleston's last and first frost, putting it 24,804 of 40,283 ZIP codes nationally. Within WV, it ranks 457 of 885.
Learn more
the frost range explains how to read the range around South Charleston's dates instead of trusting one, and local microclimates explains what one yard in South Charleston can differ from the 25003 normal.