Mackinac Island Michigan Climate Data

Monthly Average Climate Data for Mackinac Island Michigan

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.1 °C-3.9 °C49.02 mm
February-11.4 °C-3.2 °C33.53 mm
March-7.2 °C1.5 °C42.67 mm
April-0.7 °C7.9 °C67.56 mm
May5.3 °C14.7 °C71.88 mm
June11.1 °C20.6 °C74.68 mm
July14.8 °C23.8 °C73.66 mm
August14.7 °C23.4 °C79.25 mm
September11.1 °C19.6 °C86.87 mm
October4.9 °C12.3 °C106.17 mm
November-0.4 °C5.4 °C66.8 mm
December-6.1 °C-0.2 °C57.91 mm
Annual2.1 °C10.2 °C810 mm

Climate Data for Mackinac Island Michigan

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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