Dunkirk, OH 45897 Frost Dates
Frost dates for Dunkirk, OH, ZIP 45897
The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/23, about 185 frost-free days later.
Dunkirk sits in USDA Zone 6a (-10 to -5°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 6a around Dunkirk has about 8 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.
The actual range around Dunkirk's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dunkirk compares
At roughly 185 frost-free days, Dunkirk places 23,256 of 40,283 ZIP codes in this dataset. Within OH, it ranks 572 of 1,383.
Learn more
the frost range explains how to read the range around Dunkirk's dates instead of trusting one, and local microclimates explains what one yard in Dunkirk can differ from the 45897 normal.