FrostDateCheck

Fortville, IN 46040 Frost Dates

Frost dates for Fortville, IN, ZIP 46040

Zone 6a

The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/22, about 185 frost-free days later.

Fortville sits in USDA Zone 6a (-10 to -5°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 6a around Fortville 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.

The actual range around Fortville's last frost

04/19 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. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Fortville compares

At roughly 185 frost-free days, Fortville places 23,138 of 40,283 ZIP codes in this dataset. Within IN, it ranks 374 of 927.

Learn more

the frost range explains how to read the range around Fortville's dates instead of trusting one, and local microclimates explains what one yard in Fortville can differ from the 46040 normal.