St. Bernard, OH 45250 Frost Dates
St. Bernard, OH: when does the frost end?
The last spring frost here typically falls around 04/16, about 231 days from today. Fall's first freeze usually shows up around 10/28, roughly 193 days after the last spring frost.
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.
Stretching the season past the first frost
With roughly 9 weeks until St. Bernard's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around St. Bernard's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
St. Bernard against the rest of the dataset
At roughly 193 frost-free days, St. Bernard places 19,897 of 40,283 ZIP codes in this dataset. Within OH, it ranks 184 of 1,383.
Learn more
Before leaning on 45250's figures: zone vs. frost date explains why Zone 6b and St. Bernard's frost date answer different questions, while the frost range explains how to read the range around St. Bernard's dates instead of trusting one.