What is the hottest month in Mitchell, IL?

July is the warmest month, with a normal high of 87°F at Alton - Melvin Price L&d.

What is the coldest month in Mitchell, IL?

January is the coldest month, with a normal low of 22°F.

What is the wettest month in Mitchell, IL?

May has the most precipitation on average, about 5.46 inches.

Checked Oct 25, 2026

Mitchell, IL Climate

1991 to 2020 normals at Alton - Melvin Price L&d, 8.1 mi from the center of Mitchell, elevation 405 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	39°	22°	2.53 in	--
February	44°	25°	2.52 in	--
March	54°	35°	3.46 in	--
April	66°	45°	4.92 in	--
May	75°	56°	5.46 in	--
June	84°	66°	3.40 in	--
July	87°	69°	3.95 in	--
August	86°	67°	3.30 in	--
September	80°	60°	3.38 in	--
October	68°	48°	2.93 in	--
November	54°	37°	3.43 in	--
December	44°	27°	2.59 in	--
Year	65°		41.87 in	--

Frequently asked questions

What is the hottest month in Mitchell, IL?: July is the warmest month, with a normal high of 87°F at Alton - Melvin Price L&d.
What is the coldest month in Mitchell, IL?: January is the coldest month, with a normal low of 22°F.
What is the wettest month in Mitchell, IL?: May has the most precipitation on average, about 5.46 inches.

Today

Mitchell, 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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