Cortland, OH 44417 Frost Dates
Frost dates for Cortland, OH, ZIP 44417
The last spring frost here typically falls around 05/01, about 246 days from today. The first fall frost typically arrives around 10/17, about 167 frost-free days later.
The USDA Plant Hardiness Zone Map puts Cortland in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6a around Cortland has about 7 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 Cortland's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cortland compares
About 167 days separate Cortland's last and first frost, putting it 29,939 of 40,283 ZIP codes nationally. Within OH, it ranks 1,253 of 1,383.
Learn more
the frost range explains how to read the range around Cortland's dates instead of trusting one, and local microclimates explains what one yard in Cortland can differ from the 44417 normal.