Harrietta Michigan Climate Data

Monthly Average Climate Data for Harrietta Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.3 °F27.1 °F2.41 in.
February12.0 °F30.0 °F1.8 in.
March19.3 °F40.5 °F2.15 in.
April30.5 °F53.6 °F3.4 in.
May42.2 °F66.9 °F3.52 in.
June51.9 °F76.4 °F3.55 in.
July55.9 °F80.2 °F3.29 in.
August54.8 °F78.4 °F3.3 in.
September47.5 °F71.1 °F3.34 in.
October37.2 °F57.3 °F4.08 in.
November28.0 °F43.3 °F3.07 in.
December19.5 °F32.3 °F2.48 in.
Annual34.3 °F54.8 °F36.39 in.

Climate Data for Harrietta Michigan

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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