Hartford Michigan Climate Data

Monthly Average Climate Data for Hartford Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.8 °F31.4 °F2.88 in.
February18.9 °F34.0 °F2.18 in.
March26.3 °F44.3 °F2.33 in.
April36.8 °F56.9 °F3.53 in.
May47.8 °F68.5 °F4.01 in.
June56.3 °F78.2 °F3.94 in.
July60.7 °F82.2 °F3.67 in.
August59.4 °F80.6 °F4.03 in.
September51.6 °F74.2 °F3.4 in.
October40.7 °F61.1 °F4.06 in.
November31.9 °F47.8 °F3.02 in.
December24.1 °F36.2 °F2.62 in.
Annual39.4 °F58 °F39.67 in.

Climate Data for Hartford Michigan

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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