Grantsville, WV 25268 Frost Dates
25268, near Grantsville, WV: the frost window
Typically, the last spring freeze lands around 04/29, roughly 244 days out. Fall's first freeze usually shows up around 10/19, roughly 171 days after the last spring frost.
Zone 6b (-5 to 0°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 Grantsville, not a forecast for this year.
Stretching the season past the first frost
Grantsville's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/17 and only about 1 year in 10 sees frost after that.
Grantsville against the rest of the dataset
At roughly 171 frost-free days, Grantsville places 28,786 of 40,283 ZIP codes in this dataset. Within WV, it ranks 686 of 885.
Learn more
Two guides worth reading on 25268: local microclimates, on what one yard in Grantsville can differ from the 25268 normal, and zone vs. frost date, on why Zone 6b and Grantsville's frost date answer different questions.