Dellroy, OH 44639 Frost Dates
Frost dates for Dellroy, OH, ZIP 44639
The last spring frost here typically falls around 04/30, about 245 days from today. The first fall frost typically arrives around 10/15, about 167 frost-free days later.
Zone 6b (-5 to 0°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 Dellroy, not a forecast for this year.
What to do before the first frost
Zone 6b around Dellroy 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.
Why 04/30 isn't a guarantee
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dellroy compares
About 167 days separate Dellroy's last and first frost, putting it 30,193 of 40,283 ZIP codes nationally. Within OH, it ranks 1,347 of 1,383.
Learn more
the frost range explains how to read the range around Dellroy's dates instead of trusting one, and local microclimates explains what one yard in Dellroy can differ from the 44639 normal.