Dearborn Michigan Climate Data

Monthly Average Climate Data for Dearborn Michigan

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.1 °C0.3 °C60.45 mm
February-6.4 °C1.9 °C55.37 mm
March-2.3 °C7.3 °C66.04 mm
April3.4 °C14.4 °C81.53 mm
May9.7 °C21 °C94.49 mm
June15.4 °C26.3 °C82.55 mm
July17.8 °C28.7 °C88.39 mm
August17.1 °C27.7 °C82.8 mm
September13.1 °C24.1 °C80.52 mm
October6.6 °C16.8 °C74.68 mm
November1.1 °C9.5 °C67.31 mm
December-3.6 °C3.2 °C60.45 mm
Annual5.4 °C15.1 °C894.58 mm

Climate Data for Dearborn Michigan

Average First Frost DateOct. 11 - Oct. 20
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 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation