Miller City, OH 45864 Frost Dates
45864, near Miller City, OH: the frost window
Typically, the last spring freeze lands around 04/24, roughly 239 days out. Fall's first freeze usually shows up around 10/21, roughly 179 days after the last spring frost.
Miller City sits in USDA Zone 6a (-10 to -5°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
Miller City'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.
Why 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.
Miller City against the rest of the dataset
About 179 days separate Miller City's last and first frost, putting it 25,519 of 40,283 ZIP codes nationally. Within OH, it ranks 823 of 1,383.
Learn more
Two guides worth reading on 45864: the frost range, on how to read the range around Miller City's dates instead of trusting one, and local microclimates, on what one yard in Miller City can differ from the 45864 normal.