St. Bernard, OH 45235 Frost Dates
Frost dates for St. Bernard, OH, ZIP 45235
Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/28, about 193 frost-free days later.
St. Bernard 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 St. Bernard has about 9 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
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How St. Bernard compares
At roughly 193 frost-free days, St. Bernard places 19,896 of 40,283 ZIP codes in this dataset. Within OH, it ranks 183 of 1,383.
Learn more
zone vs. frost date explains why Zone 6b and St. Bernard's frost date answer different questions, and the frost range explains how to read the range around St. Bernard's dates instead of trusting one.