Petersburg, WV 26847 Frost Dates
26847, near Petersburg, WV: the frost window
The last spring frost here typically falls around 04/23, about 238 days from today. Fall's first freeze usually shows up around 10/20, roughly 179 days after the last spring frost.
Petersburg 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.
Stretching the season past the first frost
Petersburg's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Petersburg's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Petersburg against the rest of the dataset
Petersburg's growing season runs about 179 days, ranking 25,335 of 40,283 US ZIP codes measured here, longest to shortest. Within WV, it ranks 543 of 885.
Learn more
Two guides worth reading on 26847: zone vs. frost date, on why Zone 7a and Petersburg's frost date answer different questions, and the frost range, on how to read the range around Petersburg's dates instead of trusting one.