Average Temperatures in Wisconsin

Average annual temperatures for 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 yearly temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Place name links take you to more detailed temperature information for that location.

Eastern Wisconsin

Average annual temperatures
High °F	Low °F	Place	High °C	Low °C
55	36	Appleton	13	2
53	30	Crivitz, High Falls Flowage	11	-1
54	36	Fond du Lac	12	2
55	37	Green Bay	13	3
56	41	Kenosha	13	5
59	40	Lake Geneva	15	4
53	38	Manitowoc	11	3
54	36	Marinette	12	2
57	41	Milwaukee	14	5
55	38	Oshkosh	13	3
54	40	Racine	12	4
56	39	Sheboygan	13	4
53	36	Sturgeon Bay	11	2
51	35	Washington Island	11	1
56	37	Watertown	13	3
57	37	Whitewater	14	3

Southwest Wisconsin

Average temperatures for the year
High °F	Low °F	Place	High °C	Low °C
57	36	Baraboo	14	2
54	35	Beaver Dam	12	2
55	36	Beloit	13	2
59	39	La Crosse	15	4
57	38	Madison	14	3
56	37	Platteville	14	3
58	38	Prairie du Chien	14	3
53	34	Viroqua	12	1
57	35	Wisconsin Dells	14	2
55	33	Wisconsin Rapids	13	0

Northern Wisconsin

Average yearly temperatures
High °F	Low °F	Place	High °C	Low °C
50	31	Drummond	10	0
55	34	Eau Claire	13	1
51	31	Park Falls	10	-1
51	29	Rest Lake, Manitowish Waters	10	-2
51	29	Rhinelander	11	-2
54	32	Rice Lake	12	0
54	33	River Falls	12	1
55	34	St Croix Falls	13	1
54	35	Stevens Point	12	1
53	34	Wausau	12	1
50	31	Willow Reservoir	10	-1

Lake Superior Shore

Annual average temperature
High °F	Low °F	Place	High °C	Low °C
52	31	Ashland	11	-1
51	33	Bayfield	10	0
50	31	Hurley	10	-1
51	32	Madeline Island	10	0
49	34	Superior	10	1

Average Annual Temperatures in Wisconsin

Eastern Wisconsin

Southwest Wisconsin

Northern Wisconsin

Lake Superior Shore

Reference

More Wisconsin Weather Information