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Climate & Weather Averages in Mackinac Island, Michigan, USA

Currently: 66 °F. Clear. (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, so the actual climate in Mackinac Island can vary a bit.

Based on weather reports collected during 1985–2015.

All Year Climate & Weather Averages in Mackinac Island

High Temp: 73 °F

Low Temp: 11 °F

Mean Temp: 42 °F

Precipitation: 0.52"

Humidity: 75%

Dew Point: 35 °F

Wind: 8 mph

Pressure: 30.01 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Mackinac Island

High Temp: 26 °F

Low Temp: 11 °F

Mean Temp: 18 °F

Precipitation: 0.06"

Humidity: 75%

Dew Point: 13 °F

Wind: 9 mph

Pressure: 30.02 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Mackinac Island

High Temp: 27 °F

Low Temp: 11 °F

Mean Temp: 19 °F

Precipitation: 0.03"

Humidity: 73%

Dew Point: 13 °F

Wind: 9 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Mackinac Island

High Temp: 35 °F

Low Temp: 19 °F

Mean Temp: 27 °F

Precipitation: 0.11"

Humidity: 72%

Dew Point: 20 °F

Wind: 9 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Mackinac Island

High Temp: 47 °F

Low Temp: 30 °F

Mean Temp: 38 °F

Precipitation: 0.51"

Humidity: 69%

Dew Point: 28 °F

Wind: 9 mph

Pressure: 29.99 "Hg

Visibility: 10 mi

May Climate & Weather Averages in Mackinac Island

High Temp: 58 °F

Low Temp: 40 °F

Mean Temp: 49 °F

Precipitation: 0.74"

Humidity: 70%

Dew Point: 39 °F

Wind: 8 mph

Pressure: 30.00 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Mackinac Island

High Temp: 68 °F

Low Temp: 50 °F

Mean Temp: 59 °F

Precipitation: 0.84"

Humidity: 74%

Dew Point: 50 °F

Wind: 7 mph

Pressure: 29.96 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Mackinac Island

High Temp: 73 °F

Low Temp: 55 °F

Mean Temp: 64 °F

Precipitation: 0.73"

Humidity: 76%

Dew Point: 56 °F

Wind: 6 mph

Pressure: 29.97 "Hg

Visibility: 10 mi

August Climate & Weather Averages in Mackinac Island

High Temp: 73 °F

Low Temp: 55 °F

Mean Temp: 64 °F

Precipitation: 0.71"

Humidity: 77%

Dew Point: 57 °F

Wind: 7 mph

Pressure: 30.00 "Hg

Visibility: 9 mi

September Climate & Weather Averages in Mackinac Island

High Temp: 66 °F

Low Temp: 48 °F

Mean Temp: 57 °F

Precipitation: 0.94"

Humidity: 78%

Dew Point: 51 °F

Wind: 8 mph

Pressure: 30.02 "Hg

Visibility: 10 mi

October Climate & Weather Averages in Mackinac Island

High Temp: 53 °F

Low Temp: 37 °F

Mean Temp: 45 °F

Precipitation: 0.86"

Humidity: 78%

Dew Point: 39 °F

Wind: 8 mph

Pressure: 30.01 "Hg

Visibility: 10 mi

November Climate & Weather Averages in Mackinac Island

High Temp: 41 °F

Low Temp: 29 °F

Mean Temp: 35 °F

Precipitation: 0.47"

Humidity: 77%

Dew Point: 29 °F

Wind: 9 mph

Pressure: 30.01 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Mackinac Island

High Temp: 31 °F

Low Temp: 18 °F

Mean Temp: 25 °F

Precipitation: 0.19"

Humidity: 78%

Dew Point: 20 °F

Wind: 9 mph

Pressure: 30.03 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthJuly (64 °F avg)
Coldest MonthJanuary (18 °F avg)
Wettest MonthSeptember (0.94" avg)
Windiest MonthNovember (9 mph avg)
Annual precip.6.19" (per year)

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