Pentwater Michigan Climate Data

Monthly Average Climate Data for Pentwater Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.9 °F29.8 °F2.42 in.
February19.3 °F31.7 °F1.81 in.
March24.9 °F39.9 °F2.11 in.
April35.0 °F52.6 °F3.37 in.
May45.0 °F64.3 °F3.65 in.
June54.7 °F73.7 °F3.41 in.
July60.5 °F77.4 °F3.24 in.
August60.3 °F76.5 °F3.37 in.
September53.4 °F70.3 °F3.09 in.
October42.3 °F57.8 °F3.83 in.
November33.2 °F45.2 °F3.01 in.
December24.7 °F34.8 °F2.42 in.
Annual39.4 °F54.5 °F35.73 in.

Climate Data for Pentwater Michigan

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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