Wapakoneta, OH 45884 Frost Dates
45884, near Wapakoneta, OH: the frost window
The last spring frost here typically falls around 04/22, about 237 days from today. Fall's first freeze usually shows up around 10/22, roughly 181 days after the last spring frost.
Wapakoneta 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
Wapakoneta'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 04/22 isn't a guarantee
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 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.
Wapakoneta against the rest of the dataset
About 181 days separate Wapakoneta's last and first frost, putting it 24,483 of 40,283 ZIP codes nationally. Within OH, it ranks 760 of 1,383.
Learn more
Two guides worth reading on 45884: the frost range, on how to read the range around Wapakoneta's dates instead of trusting one, and local microclimates, on what one yard in Wapakoneta can differ from the 45884 normal.