Williamson, WV 41535 Frost Dates
When can you plant in Williamson, WV?
Typically, the last spring freeze lands around 04/20, roughly 235 days out. The first fall frost typically arrives around 10/24, about 186 frost-free days later.
Williamson sits in USDA Zone 7a (0 to 5°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 Williamson before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Williamson's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Williamson compares
At roughly 186 frost-free days, Williamson places 22,835 of 40,283 ZIP codes in this dataset. Within WV, it ranks 358 of 885.
Learn more
the frost range covers how to read the range around Williamson's dates instead of trusting one. local microclimates covers what one yard in Williamson can differ from the 41535 normal.