Owatonna Minnesota Climate Data

Monthly Average Climate Data for Owatonna Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.8 °F22.6 °F0.87 in.
February9.6 °F27.2 °F1.01 in.
March22.1 °F39.7 °F1.92 in.
April34.4 °F55.2 °F3.14 in.
May47.0 °F67.9 °F4.46 in.
June57.9 °F78.0 °F5.24 in.
July61.2 °F81.3 °F4.73 in.
August58.7 °F79.2 °F4.69 in.
September50.3 °F72.8 °F3.78 in.
October37.4 °F58.9 °F2.47 in.
November25.4 °F42.4 °F1.63 in.
December13.2 °F28.5 °F1.23 in.
Annual35.3 °F54.5 °F35.17 in.

Climate Data for Owatonna Minnesota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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