Millville, OH 45063 Frost Dates
45063, near Millville, OH: the frost window
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/22, roughly 186 days after the last spring frost.
Millville 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
Millville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
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 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Millville against the rest of the dataset
At roughly 186 frost-free days, Millville places 22,898 of 40,283 ZIP codes in this dataset. Within OH, it ranks 508 of 1,383.
Learn more
Two guides worth reading on 45063: the frost range, on how to read the range around Millville's dates instead of trusting one, and local microclimates, on what one yard in Millville can differ from the 45063 normal.