FrostDateCheck

Stanton, IA 51573 Frost Dates

Frost dates for Stanton, IA, ZIP 51573

Zone 5b

Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/13, about 169 frost-free days later.

Stanton sits in USDA Zone 5b (-15 to -10°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 5b around Stanton 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.

How much risk comes with planting early here

04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Stanton compares

At roughly 169 frost-free days, Stanton places 29,546 of 40,283 ZIP codes in this dataset. Within IA, it ranks 337 of 1,042.

Learn more

the frost range explains how to read the range around Stanton's dates instead of trusting one, and local microclimates explains what one yard in Stanton can differ from the 51573 normal.