Port Clinton, OH 43452 Frost Dates
When can you plant in Port Clinton, OH?
Typically, the last spring freeze lands around 04/10, roughly 225 days out. The first fall frost typically arrives around 11/05, about 209 frost-free days later.
Port Clinton 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
About 10 weeks of growing season left in Port Clinton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Port Clinton compares
About 209 days separate Port Clinton's last and first frost, putting it 15,204 of 40,283 ZIP codes nationally. Within OH, it ranks 50 of 1,383.
Learn more
zone vs. frost date covers why Zone 6b and Port Clinton's frost date answer different questions. the frost range covers how to read the range around Port Clinton's dates instead of trusting one.