Average Temperatures for Michigan in May

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

You can jump to a separate table for each region of the state: The Thumb & Southeast Michigan, West & Mid-Michigan, Northern Michigan and Upper Peninsula.

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.

The Thumb & Southeast Michigan

Average May temperatures
High °F Low °F Place High °C Low °C
72 47 Adrian 22 8
71 47 Ann Arbor 22 8
68 48 Bay City 20 9
70 48 Dearborn 21 9
70 50 Detroit 21 10
69 46 Flint 21 8
61 44 Harbor Beach 16 7
68 48 Midland 20 9
69 49 Monroe 21 10
69 46 Mount Pleasant 21 8
67 49 Port Huron 19 9
69 47 Saginaw 21 9

West & Mid-Michigan

Average daily temperatures in May
High °F Low °F Place High °C Low °C
72 48 Battle Creek 22 9
69 47 Benton Harbor 20 8
70 49 Grand Rapids 21 9
69 48 Holland 20 9
70 48 Jackson 21 9
70 49 Kalamazoo 21 9
69 48 Lansing 21 9
68 48 Muskegon 20 9
71 48 Niles 22 9

Northern Michigan

May temperatures: daily averages
High °F Low °F Place High °C Low °C
66 41 Alpena 19 5
66 43 Cadillac 19 6
62 41 Cheboygan 17 5
65 44 East Tawas 18 7
64 45 Frankfort 18 7
64 40 Gaylord 18 5
57 42 Harrisville 14 6
67 41 Houghton Lake 20 5
67 43 Ludington 19 6
61 43 Petoskey 16 6
63 42 St James, Beaver Island 17 6
67 43 Traverse City  20 6

Upper Peninsula

Average May temperatures
High °F Low °F Place High °C Low °C
66 35 Champion Van Riper Park 19 2
59 42 De Tour Village 15 5
60 41 Escanaba 16 5
61 40 Grand Marais 16 4
66 42 Iron Mountain 19 5
63 41 Ironwood 17 5
57 41 Manistique 14 5
59 41 Marquette 15 5
59 39 Munising 15 4
63 41 Sault Ste Marie 17 5
62 36 Tahquamenon Falls Park 17 2
58 38 Whitefish Point 14 3
Reference

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

Michigan Temperatures
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