Average May Temperatures for Minnesota

Average temperatures for May at cities, towns, parks and lakes throughout Minnesota are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Southern, Northeastern and Northwestern Minnesota.

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.

Southern Minnesota

Average May temperatures
High °F	Low °F	Place	High °C	Low °C
68	48	Albert Lea	20	9
68	45	Faribault	20	7
69	47	Mankato	21	8
69	50	Minneapolis	21	10
68	47	Pipestone	20	8
70	48	Redwood Falls	21	9
68	47	Rochester	20	8
67	48	St. Paul	20	9
69	48	Winona	20	9
68	46	Worthington	20	8

Northeastern Minnesota

Average daily temperatures in May
High °F	Low °F	Place	High °C	Low °C
65	43	Big Sandy Lake Dam	18	6
63	41	Duluth	17	5
53	37	Grand Marais	12	3
58	37	Grand Portage	15	3
66	40	Grand Rapids	19	5
62	38	Gunflint Lake	16	3
63	36	Hibbing	17	2
64	38	International Falls	18	3
58	39	Two Harbors	15	4
69	43	Wild River State Park	20	6

Northwestern Minnesota

May temperatures: daily averages
High °F	Low °F	Place	High °C	Low °C
67	44	Agassiz Wildlife Refuge	20	7
66	46	Alexandria	19	8
67	43	Brainerd	19	6
66	42	Detroit Lakes	19	6
67	45	Fergus Falls	19	7
65	43	Mille Lacs Lake	18	6
69	45	Moorhead	20	7
68	45	St. Cloud	20	7
62	40	Warroad	17	4
65	40	Waskish	18	4

Average Temperatures for Minnesota in May

Southern Minnesota

Northeastern Minnesota

Northwestern Minnesota

Reference

More Minnesota Weather Information