What is the hottest month in Spring Green, WI?

July is the warmest month, with a normal high of 83°F at Lone Rock Tri CO AP.

What is the coldest month in Spring Green, WI?

January is the coldest month, with a normal low of 10°F.

What is the wettest month in Spring Green, WI?

June has the most precipitation on average, about 5.28 inches.

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Checked Oct 25, 2026

Spring Green, WI Climate

1991 to 2020 normals at Lone Rock Tri CO AP, 6 mi from the center of Spring Green, elevation 717 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	28°	10°	0.88 in	--
February	32°	14°	0.87 in	--
March	45°	26°	1.88 in	--
April	58°	36°	3.69 in	--
May	70°	48°	3.72 in	--
June	79°	58°	5.28 in	--
July	83°	61°	4.54 in	--
August	81°	59°	4.17 in	--
September	74°	51°	3.42 in	--
October	61°	39°	2.48 in	--
November	46°	28°	1.95 in	--
December	33°	17°	1.20 in	--
Year	57°		34.08 in	--

Frequently asked questions

What is the hottest month in Spring Green, WI?: July is the warmest month, with a normal high of 83°F at Lone Rock Tri CO AP.
What is the coldest month in Spring Green, WI?: January is the coldest month, with a normal low of 10°F.
What is the wettest month in Spring Green, WI?: June has the most precipitation on average, about 5.28 inches.

Today

Spring Green, WI forecast

Data sources

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

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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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