Average Precipitation for Wisconsin in May





The tables below give monthly averages for rainfall plus snowfall during May at cities, communities and other locations around Wisconsin.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

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

Eastern Wisconsin

Average monthly precipitation in May
Days Place Inches Milli­metres
12 Appleton 3.6 92
10 Crivitz, High Falls Flowage 3.2 81
11 Fond du Lac 3.4 87
12 Green Bay 3.4 85
12 Kenosha 4.1 105
13 Lake Geneva 4.1 105
11 Manitowoc 3.4 87
12 Marinette 3.5 89
12 Milwaukee 3.5 90
12 Oshkosh 3.9 100
13 Racine 4.3 110
13 Sheboygan 3.7 94
12 Sturgeon Bay 3.3 84
11 Washington Island 3.0 75
13 Watertown 4.2 106
14 Whitewater 4.2 106

Southwest Wisconsin

May averages for total rainfall plus snowfall
Days Place Inches Milli­metres
13 Baraboo 4.3 109
12 Beaver Dam 4.1 103
12 Beloit 4.3 110
13 La Crosse 4.3 110
13 Madison 4.1 104
13 Platteville 4.7 118
12 Prairie du Chien 4.7 119
13 Viroqua 4.7 120
12 Wisconsin Dells 4.4 111
11 Wisconsin Rapids 3.9 98

Northern Wisconsin

Average amount of rain and snow in May
Days Place Inches Milli­metres
10 Drummond 4.1 103
13 Eau Claire 3.9 99
11 Rest Lake, Manitowish Waters 3.7 94
13 Rhinelander 3.8 96
12 Rice Lake 3.9 98
11 St Croix Falls 4.1 104
12 Stevens Point 4.1 104
13 Wausau 3.8 96
11 Willow Reservoir 3.5 89

Lake Superior Shore

Precipitation totals for May
Days Place Inches Milli­metres
12 Ashland 3.5 88
12 Bayfield 3.5 89
11 Hurley 3.6 90
11 Madeline Island 3.3 84
12 Superior 3.4 86
Reference

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

Wisconsin Precipitation
Back to Top