Smithfield, WV 26377 Frost Dates
Smithfield, WV: when does the frost end?
Around 05/03 is the usual last spring frost, about 248 days away. Fall's first freeze usually shows up around 10/10, roughly 159 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Smithfield in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 6 weeks until Smithfield'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
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.
Smithfield against the rest of the dataset
Smithfield's growing season runs about 159 days, ranking 32,805 of 40,283 US ZIP codes measured here, longest to shortest. Within WV, it ranks 786 of 885.
Learn more
Before leaning on 26377's figures: the frost range explains how to read the range around Smithfield's dates instead of trusting one, while local microclimates explains what one yard in Smithfield can differ from the 26377 normal.