Chatham Michigan Climate Data

Monthly Average Climate Data for Chatham Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.7 °F24.6 °F2.36 in.
February7.3 °F27.5 °F1.76 in.
March15.7 °F36.8 °F1.79 in.
April27.6 °F48.3 °F2.47 in.
May39.4 °F62.5 °F3.18 in.
June48.7 °F72.9 °F3.34 in.
July54.1 °F77.2 °F3.53 in.
August53.0 °F76.1 °F3.03 in.
September46.2 °F68.4 °F4.19 in.
October35.5 °F54.3 °F4.69 in.
November25.7 °F40.6 °F3.08 in.
December15.4 °F29.7 °F2.6 in.
Annual31.4 °F51.6 °F36.02 in.

Climate Data for Chatham Michigan

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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