Average August Temperatures for Michigan

Average temperatures for August 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 August temperatures
High °F	Low °F	Place	High °C	Low °C
83	59	Adrian	28	15
82	59	Ann Arbor	28	15
80	60	Bay City	27	15
82	61	Dearborn	28	16
81	63	Detroit	27	17
80	58	Flint	27	15
76	59	Harbor Beach	24	15
80	60	Midland	27	16
82	61	Monroe	28	16
82	59	Mount Pleasant	28	15
80	64	Port Huron	27	18
82	60	Saginaw	28	16

West & Mid-Michigan

Average daily temperatures in August
High °F	Low °F	Place	High °C	Low °C
81	58	Battle Creek	27	15
80	60	Benton Harbor	27	15
81	61	Grand Rapids	27	16
80	60	Holland	27	16
80	59	Jackson	27	15
81	60	Kalamazoo	27	16
81	60	Lansing	27	15
80	61	Muskegon	27	16
81	61	Niles	27	16

Northern Michigan

August temperatures: daily averages
High °F	Low °F	Place	High °C	Low °C
79	55	Alpena	26	13
78	55	Cadillac	25	13
77	57	Cheboygan	25	14
79	57	East Tawas	26	14
76	61	Frankfort	25	16
75	53	Gaylord	24	12
74	58	Harrisville	23	14
79	54	Houghton Lake	26	12
78	56	Ludington	25	14
75	59	Petoskey	24	15
75	59	St James, Beaver Island	24	15
80	59	Traverse City	26	15

Upper Peninsula

Average August temperatures
High °F	Low °F	Place	High °C	Low °C
77	49	Champion Van Riper Park	25	10
74	58	De Tour Village	23	14
76	55	Escanaba	24	13
75	56	Grand Marais	24	13
78	55	Iron Mountain	26	13
75	54	Ironwood	24	12
74	56	Manistique	23	13
74	58	Marquette	24	15
72	55	Munising	22	13
76	55	Sault Ste Marie	24	13
75	49	Tahquamenon Falls Park	24	10
74	56	Whitefish Point	23	13

Average Temperatures for Michigan in August

The Thumb & Southeast Michigan

West & Mid-Michigan

Northern Michigan

Upper Peninsula

Reference

More Michigan Weather Information