Stewartville Minnesota Climate Data

Monthly Average Climate Data for Stewartville Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.2 °F22.6 °F0.94 in.
February9.9 °F27.0 °F1.02 in.
March22.1 °F39.4 °F1.82 in.
April34.4 °F54.7 °F3.55 in.
May46.6 °F67.2 °F4.53 in.
June57.1 °F77.1 °F5.52 in.
July60.5 °F80.5 °F4.32 in.
August58.1 °F78.3 °F4.21 in.
September49.8 °F71.8 °F3.57 in.
October37.4 °F58.3 °F2.48 in.
November25.3 °F41.9 °F1.65 in.
December13.5 °F28.3 °F1.23 in.
Annual35.1 °F53.9 °F34.84 in.

Climate Data for Stewartville Minnesota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
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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