Wisconsin May Weather

Wisconsin weather averages and all-time records in the month of May from 1991–2020 based on data made available by the NOAA.

State:

Month:

Wisconsin Cities

May weather averages for various places in Wisconsin, from 1991–2020.

City	Average (°F)		Record (°F)		Monthly (inches)
City	High	Low	High	Low	Precipitation	Snow
Appleton	67.4	45.7	95	23	3.6	0.1
Baraboo	69.6	44.5	96	19	4.3	0.0
Beloit	68.9	47.5	103	26	4.4	0.0
Dodgeville	68.2	45.4	93	24	4.6	0.0
Eau Claire	69.4	45.6	107	20	3.9	0.4
Fond Du Lac	66.3	47.1	105	21	3.4	0.0
Fort Atkinson	69.1	47.6	96	25	4.1	0.2
Green Bay	67.3	45.5	99	21	3.3	0.0
Hartford	67.0	45.0	94	20	3.8	0.3
Janesville	70.0	47.7	96	17	4.1	0.0
Kenosha	63.4	46.7	94	26	4.1	0.0
La Crosse	71.1	49.3	107	26	4.3	0.0
Lake Mills	70.6	48.3	103	20	4.1	0.1
Madison	69.3	47.1	101	19	4.1	0.1
Manitowoc	62.6	44.9	95	21	3.4	0.0
Marinette	64.0	44.7	97	20	3.4	0.0
Marshfield	67.2	45.5	105	17	4.1	0.1
Menomonie	69.1	45.5	97	20	4.4	0.5
Merrill	66.6	42.6	104	18	3.7	0.1
Milwaukee	65.6	47.3	95	21	3.5	0.0
Minocqua	64.6	39.1	99	15	3.8	0.6
New London	67.6	45.2	103	20	4.2	0.0
Oconomowoc	68.2	47.2	94	23	4.1	0.2
Oshkosh	67.2	48.2	104	20	3.9	0.0
Plymouth	65.7	45.4	94	21	4.0	0.2
Portage	68.6	47.9	102	20	4.6	0.0
Prairie du Chien	70.8	47.8	109	21	4.7	0.0
Racine	61.5	46.9	96	25	4.3	0.0
Reedsburg	68.7	47.1	94	23	4.7	n/a
Rhinelander	66.0	41.7	99	18	3.8	0.1
Rice Lake	67.1	44.9	94	15	3.8	0.5
River Falls	67.9	44.0	96	19	4.1	0.4
Shawano	67.3	44.3	95	19	3.8	0.0
Sheboygan	62.0	44.2	94	23	3.7	0.0
Sparta	69.2	45.9	95	21	4.6	0.0
St. Croix Falls	69.2	44.8	96	16	3.9	0.1
Stevens Point	66.8	45.4	104	14	4.1	0.0
Sturgeon Bay	63.0	43.2	91	20	3.3	0.0
Superior	57.5	40.8	96	11	3.4	0.0
Watertown	68.0	47.1	97	22	4.2	0.1
Waupaca	68.2	45.6	102	17	4.1	0.1
Wausau	67.3	45.2	104	20	3.8	0.2
Whitewater	68.6	46.2	95	17	4.1	0.1
Wisconsin Dells	69.4	44.5	98	21	4.4	0.0