FrostDateCheck

Coatsburg, IL 62359 Frost Dates

When can you plant in Coatsburg, IL?

Zone 6a

Typically, the last spring freeze lands around 04/14, roughly 229 days out. The first fall frost typically arrives around 10/23, about 191 frost-free days later.

Coatsburg 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

About 8 weeks of growing season left in Coatsburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Coatsburg compares

At roughly 191 frost-free days, Coatsburg places 20,935 of 40,283 ZIP codes in this dataset. Within IL, it ranks 476 of 1,548.

Learn more

the frost range covers how to read the range around Coatsburg's dates instead of trusting one. local microclimates covers what one yard in Coatsburg can differ from the 62359 normal.