Northfield, OH 44067 Frost Dates
44067, near Northfield, OH: the frost window
Around 04/08 is the usual last spring frost, about 223 days away. Fall's first freeze usually shows up around 11/12, roughly 217 days after the last spring frost.
Northfield 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
Northfield's growing season runs out in roughly 11 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 Northfield's last frost
04/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/20 and only about 1 year in 10 sees frost after that.
Northfield against the rest of the dataset
About 217 days separate Northfield's last and first frost, putting it 13,480 of 40,283 ZIP codes nationally. Within OH, it ranks 25 of 1,383.
Learn more
Two guides worth reading on 44067: zone vs. frost date, on why Zone 6b and Northfield's frost date answer different questions, and the frost range, on how to read the range around Northfield's dates instead of trusting one.