Williamson, WV 25665 Frost Dates
Frost dates for Williamson, WV, ZIP 25665
Around 04/20 is the usual last spring frost, about 235 days away. 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
Zone 7a around Williamson has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
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
About 186 days separate Williamson's last and first frost, putting it 22,829 of 40,283 ZIP codes nationally. Within WV, it ranks 352 of 885.
Learn more
zone vs. frost date explains why Zone 7a and Williamson's frost date answer different questions, and the frost range explains how to read the range around Williamson's dates instead of trusting one.