Ishpeming Michigan Climate Data

Monthly Average Climate Data for Ishpeming Michigan

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.7 °C-5.4 °C42.67 mm
February-15.1 °C-3.6 °C36.83 mm
March-10.6 °C2.4 °C44.2 mm
April-3.5 °C8.7 °C66.29 mm
May3.4 °C16.8 °C79.5 mm
June9 °C22.4 °C86.87 mm
July11.6 °C25 °C97.28 mm
August10.7 °C24.1 °C72.9 mm
September6.8 °C19.7 °C92.46 mm
October0.8 °C11.4 °C94.49 mm
November-4.7 °C3.7 °C54.1 mm
December-10.9 °C-2.7 °C51.31 mm
Annual-1.4 °C10.2 °C818.9 mm

Climate Data for Ishpeming Michigan

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year