Ortonville Michigan Climate Data

Monthly Average Climate Data for Ortonville Michigan

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.2 °C-1.3 °C54.36 mm
February-8.8 °C0.4 °C43.18 mm
March-4.2 °C5.9 °C51.31 mm
April1.9 °C13.2 °C78.99 mm
May8.3 °C19.9 °C96.27 mm
June13.7 °C25.1 °C86.11 mm
July15.8 °C27.3 °C88.14 mm
August15.2 °C26.3 °C79.76 mm
September11.1 °C22.9 °C74.42 mm
October4.9 °C15.4 °C71.37 mm
November-0.4 °C8.2 °C59.18 mm
December-5.4 °C1.6 °C52.32 mm
Annual3.6 °C13.7 °C835.41 mm

Climate Data for Ortonville Michigan

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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