Madison, OH 44086 Frost Dates
Frost dates for Madison, OH, ZIP 44086
Typically, the last spring freeze lands around 04/26, roughly 241 days out. The first fall frost typically arrives around 10/31, about 184 frost-free days later.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Madison, not a forecast for this year.
What to do before the first frost
Zone 6a around Madison has about 9 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 Madison's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Madison compares
About 184 days separate Madison's last and first frost, putting it 23,535 of 40,283 ZIP codes nationally. Within OH, it ranks 641 of 1,383.
Learn more
the frost range explains how to read the range around Madison's dates instead of trusting one, and local microclimates explains what one yard in Madison can differ from the 44086 normal.