Ishpeming Michigan Climate Data

Monthly Average Climate Data for Ishpeming Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.5 °F22.2 °F1.68 in.
February4.9 °F25.5 °F1.45 in.
March12.9 °F36.4 °F1.74 in.
April25.7 °F47.6 °F2.61 in.
May38.2 °F62.3 °F3.13 in.
June48.2 °F72.3 °F3.42 in.
July52.8 °F77.0 °F3.83 in.
August51.2 °F75.3 °F2.87 in.
September44.3 °F67.4 °F3.64 in.
October33.5 °F52.6 °F3.72 in.
November23.5 °F38.6 °F2.13 in.
December12.3 °F27.2 °F2.02 in.
Annual29.4 °F50.4 °F32.24 in.

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 : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year