New Bloomington, OH 43341 Frost Dates
43341, near New Bloomington, 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 10/20, roughly 178 days after the last spring frost.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for New Bloomington, not a forecast for this year.
Stretching the season past the first frost
New Bloomington'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.
The actual range around New Bloomington's last frost
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.
New Bloomington against the rest of the dataset
At roughly 178 frost-free days, New Bloomington places 25,886 of 40,283 ZIP codes in this dataset. Within OH, it ranks 889 of 1,383.
Learn more
Two guides worth reading on 43341: the frost range, on how to read the range around New Bloomington's dates instead of trusting one, and local microclimates, on what one yard in New Bloomington can differ from the 43341 normal.