Currently: 66 °F. Clear. (Weather station: Schoolcraft County Airport, USA). See more current weatherAnnual 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