FrostDateCheck

Piketon, OH 45642 Frost Dates

Frost dates for Piketon, OH, ZIP 45642

Zone 6b

Around 04/17 is the usual last spring frost, about 232 days away. The first fall frost typically arrives around 10/25, about 191 frost-free days later.

Piketon 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

Zone 6b around Piketon 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.

Why 04/17 isn't a guarantee

04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Piketon compares

At roughly 191 frost-free days, Piketon places 20,787 of 40,283 ZIP codes in this dataset. Within OH, it ranks 291 of 1,383.

Learn more

the frost range explains how to read the range around Piketon's dates instead of trusting one, and local microclimates explains what one yard in Piketon can differ from the 45642 normal.