Grafton, WV 26405 Frost Dates
Grafton, WV: when does the frost end?
Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 10/22, roughly 178 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Grafton in Zone 6b (-5 to 0°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 Grafton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/26 isn't a guarantee
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Grafton against the rest of the dataset
About 178 days separate Grafton's last and first frost, putting it 25,703 of 40,283 ZIP codes nationally. Within WV, it ranks 566 of 885.
Learn more
Before leaning on 26405's figures: the frost range explains how to read the range around Grafton's dates instead of trusting one, while local microclimates explains what one yard in Grafton can differ from the 26405 normal.