Average Temperatures for Wisconsin in April





Average temperatures for April at cities, communities and lakes throughout Wisconsin are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Eastern Wisconsin, Southwest Wisconsin, Northern Wisconsin and the Lake Superior Shore.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Eastern Wisconsin

Average April temperatures
High °F Low °F Place High °C Low °C
54 34 Appleton 12 1
52 27 Crivitz, High Falls Flowage 11 -3
53 34 Fond du Lac 12 1
54 35 Green Bay 12 2
53 37 Kenosha 12 3
59 37 Lake Geneva 15 3
50 34 Manitowoc 10 1
51 33 Marinette 11 0
55 38 Milwaukee 13 3
54 36 Oshkosh 12 2
51 36 Racine 10 2
52 36 Sheboygan 11 2
50 32 Sturgeon Bay 10 0
47 30 Washington Island 9 -1
56 35 Watertown 13 2
57 35 Whitewater 14 2

Southwest Wisconsin

Average daily temperatures in April
High °F Low °F Place High °C Low °C
57 34 Baraboo 14 1
54 34 Beaver Dam 12 1
55 34 Beloit 13 1
60 38 La Crosse 15 4
57 36 Madison 14 2
57 35 Platteville 14 2
59 37 Prairie du Chien 15 3
54 33 Viroqua 12 1
57 33 Wisconsin Dells 14 1
56 31 Wisconsin Rapids 13 0

Northern Wisconsin

April temperatures: daily averages
High °F Low °F Place High °C Low °C
50 28 Drummond 10 -2
57 33 Eau Claire 14 1
51 29 Park Falls 10 -2
50 27 Rest Lake, Manitowish Waters 10 -3
51 27 Rhinelander 10 -3
54 32 Rice Lake 12 0
55 32 River Falls 13 0
55 33 St Croix Falls 13 1
54 33 Stevens Point 12 0
54 32 Wausau 12 0
49 28 Willow Reservoir 9 -2

Lake Superior Shore

Average April temperatures
High °F Low °F Place High °C Low °C
51 29 Ashland 10 -2
49 30 Bayfield 9 -1
49 28 Hurley 9 -2
48 28 Madeline Island 9 -2
46 32 Superior 8 0
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Wisconsin Temperatures
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