Frontenac Minnesota Climate Data

Monthly Average Climate Data for Frontenac Minnesota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.3 °C-4.4 °C23.37 mm
February-12.3 °C-1.7 °C26.92 mm
March-5.4 °C5.2 °C44.7 mm
April1.5 °C13.3 °C78.74 mm
May8.4 °C20.3 °C115.06 mm
June14.2 °C25.7 °C133.35 mm
July16.4 °C28.1 °C106.68 mm
August15.1 °C26.9 °C117.6 mm
September10.6 °C22.9 °C99.31 mm
October3.5 °C15.1 °C66.55 mm
November-3.3 °C6 °C43.18 mm
December-10.1 °C-1.4 °C33.02 mm
Annual2 °C13 °C888.48 mm

Climate Data for Frontenac 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 : -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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