What is the hottest month in Cicero, IL?

July is the warmest month, with a normal high of 85°F at Chicago Midway AP.

What is the coldest month in Cicero, IL?

January is the coldest month, with a normal low of 19°F.

What is the wettest month in Cicero, IL?

May has the most precipitation on average, about 4.09 inches.

Checked Oct 25, 2026

Cicero, IL Climate

1991 to 2020 normals at Chicago Midway AP, 4 mi from the center of Cicero, elevation 612 ft.

Average weather by month

Select a month for daily normals and last year's weather

Month	High	Low	Precip.	Snow
January	33°	19°	1.48 in	--
February	37°	23°	1.46 in	--
March	48°	32°	1.88 in	--
April	60°	41°	3.57 in	--
May	71°	52°	4.09 in	--
June	81°	62°	4.01 in	--
July	85°	68°	3.55 in	--
August	83°	66°	3.99 in	--
September	76°	59°	2.77 in	--
October	63°	47°	3.48 in	--
November	49°	35°	2.35 in	--
December	38°	25°	1.79 in	--
Year	60°		34.42 in	--

Frequently asked questions

What is the hottest month in Cicero, IL?: July is the warmest month, with a normal high of 85°F at Chicago Midway AP.
What is the coldest month in Cicero, IL?: January is the coldest month, with a normal low of 19°F.
What is the wettest month in Cicero, IL?: May has the most precipitation on average, about 4.09 inches.

Today

Cicero, IL forecast

Data sources

U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
U.S. Climate Normals 1991-2020 (daily) and GHCN-Daily via Access Data ServiceNOAA National Centers for Environmental Information

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About this data

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Climate normals are 30-year averages measured at one weather station, which may be miles from the place named here or at a different elevation.

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