Petersburg, WV 26838 Frost Dates
Petersburg, WV: when does the frost end?
Typically, the last spring freeze lands around 04/23, roughly 238 days out. Fall's first freeze usually shows up around 10/20, roughly 179 days after the last spring frost.
Petersburg 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.
Stretching the season past the first frost
With roughly 8 weeks until Petersburg's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
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
About 179 days separate Petersburg's last and first frost, putting it 25,334 of 40,283 ZIP codes nationally. Within WV, it ranks 542 of 885.
Learn more
Before leaning on 26838's figures: the frost range explains how to read the range around Petersburg's dates instead of trusting one, while local microclimates explains what one yard in Petersburg can differ from the 26838 normal.