Cicero, IL 60804 Frost Dates
When can you plant in Cicero, IL?
Around 04/11 is the usual last spring frost, about 226 days away. The first fall frost typically arrives around 10/31, about 201 frost-free days later.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Cicero, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Cicero 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
04/11 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. 04/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cicero compares
At roughly 201 frost-free days, Cicero places 17,443 of 40,283 ZIP codes in this dataset. Within IL, it ranks 234 of 1,548.
Learn more
the frost range covers how to read the range around Cicero's dates instead of trusting one. local microclimates covers what one yard in Cicero can differ from the 60804 normal.