Average April Temperatures for Wisconsin

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

Average Temperatures for Wisconsin in April

Eastern Wisconsin

Southwest Wisconsin

Northern Wisconsin

Lake Superior Shore

Reference

More Wisconsin Weather Information