Vandalia, OH 45377 Frost Dates
Vandalia, OH: when does the frost end?
Around 04/16 is the usual last spring frost, about 231 days away. Fall's first freeze usually shows up around 10/28, roughly 194 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Vandalia 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 9 weeks until Vandalia's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Vandalia's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
Vandalia against the rest of the dataset
At roughly 194 frost-free days, Vandalia places 19,453 of 40,283 ZIP codes in this dataset. Within OH, it ranks 158 of 1,383.
Learn more
Before leaning on 45377's figures: the frost range explains how to read the range around Vandalia's dates instead of trusting one, while local microclimates explains what one yard in Vandalia can differ from the 45377 normal.