Allegan Michigan Climate Data

Monthly Average Climate Data for Allegan Michigan

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.8 °C-0.2 °C90.42 mm
February-7.8 °C1.1 °C59.18 mm
March-3.7 °C6.9 °C64.26 mm
April1.9 °C14.3 °C102.36 mm
May8.1 °C20.7 °C113.79 mm
June13.1 °C25.7 °C103.89 mm
July15.2 °C27.9 °C96.01 mm
August14.7 °C27.1 °C93.73 mm
September10.6 °C23.6 °C85.6 mm
October4.8 °C16.3 °C100.33 mm
November-0.2 °C8.8 °C82.55 mm
December-4.4 °C2.6 °C75.18 mm
Annual3.7 °C14.6 °C1067.3 mm

Climate Data for Allegan 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 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year