Flag for USA

Climate & Weather Averages in Mackinac Island State Park, Michigan, USA

Currently: 70 °F. Sunny. (Weather station: Schoolcraft County Airport, USA). See more current weather

Annual Weather Averages in Schoolcraft County Airport

Schoolcraft County Airport is 75 miles from Mackinac Island State Park, so the actual climate in Mackinac Island State Park can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
26
11
1.67
Feb
27
11
1.49
Mar
35
19
2.15
Apr
45
30
2.83
May
57
41
2.78
Jun
67
51
3.14
Jul
73
57
3.46
Aug
73
56
2.9
Sep
66
50
3.47
Oct
54
39
3.63
Nov
41
28
2.66
Dec
31
19
2.23

All Year Climate & Weather Averages in Mackinac Island State Park

High Temp: 73 °F

Low Temp: 11 °F

Mean Temp: 42 °F

Precipitation: 2.70"

Humidity: 77%

Dew Point: 35 °F

Wind: 14 mph

Pressure: 30.00 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Mackinac Island State Park

High Temp: 26 °F

Low Temp: 11 °F

Mean Temp: 18 °F

Precipitation: 1.67"

Humidity: 78%

Dew Point: 14 °F

Wind: 15 mph

Pressure: 30.01 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Mackinac Island State Park

High Temp: 27 °F

Low Temp: 11 °F

Mean Temp: 19 °F

Precipitation: 1.49"

Humidity: 75%

Dew Point: 14 °F

Wind: 15 mph

Pressure: 30.03 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Mackinac Island State Park

High Temp: 35 °F

Low Temp: 19 °F

Mean Temp: 27 °F

Precipitation: 2.15"

Humidity: 74%

Dew Point: 20 °F

Wind: 15 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Mackinac Island State Park

High Temp: 45 °F

Low Temp: 30 °F

Mean Temp: 38 °F

Precipitation: 2.83"

Humidity: 70%

Dew Point: 28 °F

Wind: 16 mph

Pressure: 29.99 "Hg

Visibility: 9 mi

May Climate & Weather Averages in Mackinac Island State Park

High Temp: 57 °F

Low Temp: 41 °F

Mean Temp: 49 °F

Precipitation: 2.78"

Humidity: 72%

Dew Point: 39 °F

Wind: 14 mph

Pressure: 29.98 "Hg

Visibility: 9 mi

June Climate & Weather Averages in Mackinac Island State Park

High Temp: 67 °F

Low Temp: 51 °F

Mean Temp: 59 °F

Precipitation: 3.14"

Humidity: 77%

Dew Point: 51 °F

Wind: 12 mph

Pressure: 29.94 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Mackinac Island State Park

High Temp: 73 °F

Low Temp: 57 °F

Mean Temp: 65 °F

Precipitation: 3.46"

Humidity: 79%

Dew Point: 57 °F

Wind: 12 mph

Pressure: 29.95 "Hg

Visibility: 9 mi

August Climate & Weather Averages in Mackinac Island State Park

High Temp: 73 °F

Low Temp: 56 °F

Mean Temp: 65 °F

Precipitation: 2.90"

Humidity: 80%

Dew Point: 58 °F

Wind: 12 mph

Pressure: 29.99 "Hg

Visibility: 9 mi

September Climate & Weather Averages in Mackinac Island State Park

High Temp: 66 °F

Low Temp: 50 °F

Mean Temp: 58 °F

Precipitation: 3.47"

Humidity: 80%

Dew Point: 52 °F

Wind: 13 mph

Pressure: 30.01 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Mackinac Island State Park

High Temp: 54 °F

Low Temp: 39 °F

Mean Temp: 46 °F

Precipitation: 3.63"

Humidity: 79%

Dew Point: 40 °F

Wind: 15 mph

Pressure: 29.99 "Hg

Visibility: 9 mi

November Climate & Weather Averages in Mackinac Island State Park

High Temp: 41 °F

Low Temp: 28 °F

Mean Temp: 35 °F

Precipitation: 2.66"

Humidity: 78%

Dew Point: 29 °F

Wind: 15 mph

Pressure: 30.00 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Mackinac Island State Park

High Temp: 31 °F

Low Temp: 19 °F

Mean Temp: 25 °F

Precipitation: 2.23"

Humidity: 79%

Dew Point: 20 °F

Wind: 15 mph

Pressure: 30.00 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthAugust (65 °F avg)
Coldest MonthJanuary (18 °F avg)
Wettest MonthOctober (3.63" avg)
Windiest MonthApril (16 mph avg)
Annual precip.32.41" (per year)

Weather by CustomWeather, © 2025