Grandville Michigan Climate Data

Monthly Average Climate Data for Grandville Michigan

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.9 °C-0.8 °C79.76 mm
February-7.7 °C0.5 °C60.45 mm
March-3.7 °C6.3 °C63.25 mm
April2.2 °C13.4 °C102.62 mm
May8.2 °C19.7 °C107.44 mm
June13.8 °C25 °C97.79 mm
July15.7 °C27.2 °C86.36 mm
August15.1 °C26.4 °C85.09 mm
September10.8 °C22.9 °C85.85 mm
October5.1 °C15.6 °C97.79 mm
November-0.2 °C8.2 °C83.31 mm
December-4.4 °C2.1 °C72.39 mm
Annual3.9 °C13.9 °C1022.1 mm

Climate Data for Grandville Michigan

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year