Plainwell Michigan Climate Data

Monthly Average Climate Data for Plainwell Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.6 °F31.8 °F3.05 in.
February18.0 °F34.3 °F2.18 in.
March25.4 °F44.9 °F2.43 in.
April35.9 °F58.3 °F3.73 in.
May47.0 °F69.6 °F4.31 in.
June55.7 °F78.7 °F4.03 in.
July59.5 °F82.5 °F3.66 in.
August58.2 °F81.0 °F3.92 in.
September50.7 °F74.8 °F3.42 in.
October40.1 °F61.7 °F3.91 in.
November31.4 °F48.0 °F3.03 in.
December23.4 °F36.7 °F2.65 in.
Annual38.6 °F58.5 °F40.32 in.

Climate Data for Plainwell 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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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