St. Clairsville, OH 43928 Frost Dates
St. Clairsville, OH: when does the frost end?
Typically, the last spring freeze lands around 04/20, roughly 235 days out. Fall's first freeze usually shows up around 10/29, roughly 192 days after the last spring frost.
St. Clairsville 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 9 weeks until St. Clairsville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around St. Clairsville's last frost
04/20 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 05/06 and only about 1 year in 10 sees frost after that.
St. Clairsville against the rest of the dataset
About 192 days separate St. Clairsville's last and first frost, putting it 20,283 of 40,283 ZIP codes nationally. Within OH, it ranks 243 of 1,383.
Learn more
Before leaning on 43928's figures: the frost range explains how to read the range around St. Clairsville's dates instead of trusting one, while local microclimates explains what one yard in St. Clairsville can differ from the 43928 normal.