Stewart Minnesota Climate Data

Monthly Average Climate Data for Stewart Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January4.4 °F21.6 °F0.7 in.
February7.7 °F26.2 °F0.84 in.
March20.6 °F38.6 °F1.56 in.
April33.9 °F55.0 °F2.7 in.
May46.7 °F68.2 °F3.94 in.
June57.8 °F77.9 °F4.81 in.
July61.6 °F82.0 °F3.52 in.
August58.7 °F79.5 °F4.09 in.
September50.1 °F72.8 °F3.3 in.
October37.1 °F58.1 °F2.24 in.
November24.2 °F41.2 °F1.41 in.
December11.6 °F27.1 °F1.11 in.
Annual34.5 °F54 °F30.22 in.

Climate Data for Stewart 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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