Grand Rapids Michigan Climate Data

Monthly Average Climate Data for Grand Rapids Michigan

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.1 °C-1 °C73.91 mm
February-7.9 °C0.4 °C56.9 mm
March-3.9 °C6.1 °C62.23 mm
April2 °C13.6 °C99.06 mm
May8.1 °C20 °C104.39 mm
June13.6 °C25.2 °C95.25 mm
July15.6 °C27.4 °C85.6 mm
August15 °C26.7 °C82.55 mm
September10.7 °C22.9 °C82.04 mm
October4.8 °C15.6 °C95 mm
November-0.4 °C7.9 °C80.01 mm
December-4.7 °C1.8 °C68.58 mm
Annual3.7 °C13.9 °C985.52 mm

Climate Data for Grand Rapids Michigan

Average First Frost DateOct. 11 - Oct. 20
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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