New Miami, OH 45071 Frost Dates
Frost dates for New Miami, OH, ZIP 45071
Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/18, about 178 frost-free days later.
New Miami 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.
What to do before the first frost
Zone 6b around New Miami has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Miami compares
At roughly 178 frost-free days, New Miami places 25,753 of 40,283 ZIP codes in this dataset. Within OH, it ranks 861 of 1,383.
Learn more
the frost range explains how to read the range around New Miami's dates instead of trusting one, and local microclimates explains what one yard in New Miami can differ from the 45071 normal.