New Bremen, OH 45869 Frost Dates
45869, near New Bremen, OH: the frost window
Typically, the last spring freeze lands around 04/27, roughly 242 days out. Fall's first freeze usually shows up around 10/19, roughly 175 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts New Bremen in Zone 6a (-10 to -5°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
New Bremen's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/27 isn't a guarantee
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 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.
New Bremen against the rest of the dataset
About 175 days separate New Bremen's last and first frost, putting it 26,938 of 40,283 ZIP codes nationally. Within OH, it ranks 1,026 of 1,383.
Learn more
Two guides worth reading on 45869: the frost range, on how to read the range around New Bremen's dates instead of trusting one, and local microclimates, on what one yard in New Bremen can differ from the 45869 normal.