Grantsville, WV 25261 Frost Dates
When can you plant in Grantsville, WV?
Around 04/26 is the usual last spring frost, about 241 days away. The first fall frost typically arrives around 10/20, about 175 frost-free days later.
Grantsville sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 8 weeks of growing season left in Grantsville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/26 isn't a guarantee
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grantsville compares
Grantsville's growing season runs about 175 days, ranking 27,179 of 40,283 US ZIP codes measured here, longest to shortest. Within WV, it ranks 614 of 885.
Learn more
zone vs. frost date covers why Zone 6b and Grantsville's frost date answer different questions. the frost range covers how to read the range around Grantsville's dates instead of trusting one.