Hartland Michigan Climate Data

Monthly Average Climate Data for Hartland Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.2 °F30.0 °F2.35 in.
February15.8 °F32.9 °F1.82 in.
March24.2 °F43.3 °F2.13 in.
April35.4 °F56.2 °F3.16 in.
May46.7 °F68.2 °F3.8 in.
June56.2 °F77.5 °F3.62 in.
July59.9 °F81.4 °F3.33 in.
August58.7 °F79.7 °F3.36 in.
September51.5 °F73.4 °F2.98 in.
October40.4 °F60.3 °F2.83 in.
November30.7 °F46.9 °F2.49 in.
December21.9 °F35.2 °F2.16 in.
Annual38.1 °F57.1 °F34.03 in.

Climate Data for Hartland Michigan

Average First Frost DateOct. 1 - Oct. 10
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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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