New Vienna, OH 45159 Frost Dates
New Vienna, OH: when does the frost end?
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/22, roughly 185 days after the last spring frost.
New Vienna 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 New Vienna'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
04/19 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.
New Vienna against the rest of the dataset
New Vienna's growing season runs about 185 days, ranking 23,238 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 570 of 1,383.
Learn more
Before leaning on 45159's figures: the frost range explains how to read the range around New Vienna's dates instead of trusting one, while local microclimates explains what one yard in New Vienna can differ from the 45159 normal.