South Charleston, WV 25303 Frost Dates
South Charleston, WV: when does the frost end?
Typically, the last spring freeze lands around 04/23, roughly 238 days out. Fall's first freeze usually shows up around 10/20, roughly 180 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts South Charleston in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 8 weeks until South Charleston's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
South Charleston against the rest of the dataset
South Charleston's growing season runs about 180 days, ranking 24,805 of 40,283 US ZIP codes measured here, longest to shortest. Within WV, it ranks 458 of 885.
Learn more
Before leaning on 25303's figures: local microclimates explains what one yard in South Charleston can differ from the 25303 normal, while zone vs. frost date explains why Zone 7a and South Charleston's frost date answer different questions.