Port Huron Michigan Climate Data

Monthly Average Climate Data for Port Huron Michigan

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.6 °C-0.7 °C65.28 mm
February-7.4 °C0.3 °C52.58 mm
March-3.2 °C5.1 °C58.93 mm
April2.3 °C11.9 °C84.33 mm
May8.3 °C18.6 °C89.92 mm
June13.9 °C24.3 °C89.15 mm
July16.9 °C26.9 °C78.74 mm
August16.2 °C26.2 °C77.98 mm
September12.3 °C22.9 °C80.77 mm
October6.6 °C15.9 °C75.95 mm
November1.1 °C8.8 °C70.87 mm
December-3.9 °C2.4 °C63.5 mm
Annual4.6 °C13.6 °C888 mm

Climate Data for Port Huron Michigan

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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