FrostDateCheck

St. Louisville, OH 43071 Frost Dates

Frost dates for St. Louisville, OH, ZIP 43071

Zone 6a

The last spring frost here typically falls around 04/22, about 237 days from today. The first fall frost typically arrives around 10/18, about 178 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 St. Louisville, not a forecast for this year.

What to do before the first frost

Zone 6a around St. Louisville 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 St. Louisville's last frost

04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How St. Louisville compares

St. Louisville's growing season runs about 178 days, ranking 25,892 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 892 of 1,383.

Learn more

the frost range explains how to read the range around St. Louisville's dates instead of trusting one, and local microclimates explains what one yard in St. Louisville can differ from the 43071 normal.