FrostDateCheck

Kirkland, IL 60146 Frost Dates

Frost dates for Kirkland, IL, ZIP 60146

Zone 5b

Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/18, about 177 frost-free days later.

The USDA Plant Hardiness Zone Map puts Kirkland in Zone 5b (-15 to -10°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 5b around Kirkland 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 Kirkland's last frost

04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Kirkland compares

At roughly 177 frost-free days, Kirkland places 26,160 of 40,283 ZIP codes in this dataset. Within IL, it ranks 1,127 of 1,548.

Learn more

the frost range explains how to read the range around Kirkland's dates instead of trusting one, and local microclimates explains what one yard in Kirkland can differ from the 60146 normal.