Unionville Michigan Climate Data

Monthly Average Climate Data for Unionville Michigan

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.7 °F29.0 °F1.69 in.
February15.8 °F31.6 °F1.54 in.
March24.0 °F41.1 °F1.61 in.
April35.0 °F54.7 °F3.24 in.
May46.6 °F67.2 °F3.29 in.
June56.5 °F76.9 °F3.4 in.
July60.0 °F80.9 °F3.1 in.
August58.5 °F78.8 °F3.23 in.
September51.5 °F72.8 °F2.89 in.
October41.0 °F59.7 °F2.93 in.
November31.5 °F45.9 °F2.31 in.
December22.8 °F34.5 °F1.78 in.
Annual38.2 °F56.1 °F31.01 in.

Climate Data for Unionville Michigan

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°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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