FrostDateCheck

Mount Sterling, IL 62353 Frost Dates

Frost dates for Mount Sterling, IL, ZIP 62353

Zone 6a

The last spring frost here typically falls around 04/18, about 233 days from today. The first fall frost typically arrives around 10/15, about 179 frost-free days later.

The USDA Plant Hardiness Zone Map puts Mount Sterling in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

Zone 6a around Mount Sterling 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 Mount Sterling's last frost

04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Mount Sterling compares

At roughly 179 frost-free days, Mount Sterling places 25,346 of 40,283 ZIP codes in this dataset. Within IL, it ranks 1,036 of 1,548.

Learn more

zone vs. frost date explains why Zone 6a and Mount Sterling's frost date answer different questions, and the frost range explains how to read the range around Mount Sterling's dates instead of trusting one.