Iron Junction Minnesota Climate Data

Monthly Average Climate Data for Iron Junction Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January-3.4 °F17.6 °F0.92 in.
February-0.7 °F23.4 °F0.73 in.
March12.5 °F36.1 °F1.05 in.
April26.5 °F49.8 °F1.88 in.
May38.9 °F63.5 °F3.0 in.
June49.4 °F72.8 °F4.22 in.
July53.9 °F77.5 °F4.17 in.
August51.4 °F75.8 °F3.28 in.
September43.7 °F67.0 °F3.44 in.
October32.6 °F52.2 °F2.68 in.
November19.5 °F35.2 °F1.46 in.
December5.6 °F22.8 °F1.15 in.
Annual27.5 °F49.5 °F27.98 in.

Climate Data for Iron Junction Minnesota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 3b : -35°F to -30°F
Plant Hardiness Zone - 2012Zone 3b : -35°F to -30°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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