What is the hottest month in Madison, WI?

July is the warmest month, with a normal high of 82°F at Uw Arboretum - Madison.

What is the coldest month in Madison, WI?

January is the coldest month, with a normal low of 11°F.

What is the wettest month in Madison, WI?

June has the most precipitation on average, about 5.74 inches.

Checked Oct 25, 2026

Madison, WI Climate

1991 to 2020 normals at Uw Arboretum - Madison, 3.7 mi from the center of Madison, elevation 870 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	28°	11°	1.67 in	--
February	32°	14°	1.71 in	--
March	44°	25°	2.34 in	--
April	57°	36°	4.22 in	--
May	69°	47°	4.55 in	--
June	78°	57°	5.74 in	--
July	82°	61°	4.70 in	--
August	81°	59°	4.08 in	--
September	74°	51°	3.92 in	--
October	61°	39°	2.99 in	--
November	46°	29°	2.34 in	--
December	33°	18°	1.92 in	--
Year	57°		40.18 in	--

Frequently asked questions

What is the hottest month in Madison, WI?: July is the warmest month, with a normal high of 82°F at Uw Arboretum - Madison.
What is the coldest month in Madison, WI?: January is the coldest month, with a normal low of 11°F.
What is the wettest month in Madison, WI?: June has the most precipitation on average, about 5.74 inches.

Today

Madison, WI 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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