FrostDateCheck

Evansville, IN 47731 Frost Dates

Frost dates for Evansville, IN, ZIP 47731

Zone 7a

Typically, the last spring freeze lands around 04/04, roughly 219 days out. The first fall frost typically arrives around 10/29, about 206 frost-free days later.

Evansville sits in USDA Zone 7a (0 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 7a around Evansville 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 Evansville's last frost

04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/22 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Evansville compares

At roughly 206 frost-free days, Evansville places 15,917 of 40,283 ZIP codes in this dataset. Within IN, it ranks 55 of 927.

Learn more

zone vs. frost date explains why Zone 7a and Evansville's frost date answer different questions, and the frost range explains how to read the range around Evansville's dates instead of trusting one.