Byron Minnesota Climate Data

Monthly Average Climate Data for Byron Minnesota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.3 °C-5.3 °C25.91 mm
February-12.3 °C-2.8 °C25.91 mm
March-5.6 °C4 °C50.04 mm
April1.3 °C12.6 °C87.12 mm
May8.2 °C19.5 °C108.46 mm
June14.1 °C25 °C136.91 mm
July15.9 °C26.9 °C114.81 mm
August14.6 °C25.7 °C114.3 mm
September10 °C22.1 °C87.88 mm
October3 °C14.4 °C57.66 mm
November-3.7 °C5.4 °C40.13 mm
December-10.3 °C-2.1 °C32.26 mm
Annual1.7 °C12.1 °C881.39 mm

Climate Data for Byron 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 : -31.7°C to -28.9°C
Plant Hardiness Zone - 2012Zone 4b : -31.7°C to -28.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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