Wisconsin Climate Data
NOAA 30-year climate normals for all 72 counties.
State Avg Temp
44.4°F
Hottest County
Milwaukee County
48.5°F avg
Coldest County
Forest County
39.7°F avg
Wettest County
Iowa County
39.6" precip
All Wisconsin Counties
Adams County
45.0°F avg
Ashland County
41.1°F avg
Barron County
42.2°F avg
Bayfield County
41.1°F avg
Brown County
45.0°F avg
Buffalo County
46.3°F avg
Burnett County
42.9°F avg
Calumet County
45.5°F avg
Chippewa County
43.7°F avg
Clark County
42.7°F avg
Columbia County
46.3°F avg
Crawford County
47.1°F avg
Dane County
46.6°F avg
Dodge County
45.5°F avg
Door County
43.9°F avg
Douglas County
40.9°F avg
Dunn County
44.2°F avg
Eau Claire County
44.7°F avg
Florence County
40.4°F avg
Fond du Lac County
45.5°F avg
Forest County
39.7°F avg
Grant County
47.0°F avg
Green County
47.3°F avg
Green Lake County
45.9°F avg
Iowa County
45.7°F avg
Iron County
40.8°F avg
Jackson County
43.9°F avg
Jefferson County
46.9°F avg
Juneau County
45.4°F avg
Kenosha County
48.3°F avg
Kewaunee County
44.3°F avg
La Crosse County
47.3°F avg
Lafayette County
46.2°F avg
Langlade County
41.4°F avg
Lincoln County
41.4°F avg
Manitowoc County
44.7°F avg
Marathon County
43.6°F avg
Marinette County
42.8°F avg
Marquette County
45.6°F avg
Menominee County
Data pending
Milwaukee County
48.5°F avg
Monroe County
45.4°F avg
Oconto County
42.9°F avg
Oneida County
40.3°F avg
Outagamie County
45.2°F avg
Ozaukee County
46.7°F avg
Pepin County
45.1°F avg
Pierce County
42.8°F avg
Polk County
43.9°F avg
Portage County
44.2°F avg
Price County
40.4°F avg
Racine County
47.0°F avg
Richland County
45.8°F avg
Rock County
46.7°F avg
Rusk County
42.4°F avg
Sauk County
46.5°F avg
Sawyer County
41.7°F avg
Shawano County
43.1°F avg
Sheboygan County
45.9°F avg
St. Croix County
42.6°F avg
Taylor County
42.0°F avg
Trempealeau County
45.4°F avg
Vernon County
46.1°F avg
Vilas County
39.8°F avg
Walworth County
48.2°F avg
Washburn County
42.5°F avg
Washington County
45.9°F avg
Waukesha County
46.8°F avg
Waupaca County
44.6°F avg
Waushara County
44.9°F avg
Winnebago County
46.5°F avg
Wood County
44.0°F avg
Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.