Cass Lake Minnesota Climate Data

Monthly Average Climate Data for Cass Lake Minnesota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-18.9 °C-7.9 °C17.02 mm
February-17.6 °C-4.6 °C16.76 mm
March-9.8 °C2.6 °C27.69 mm
April-1.9 °C10.6 °C48.01 mm
May5.3 °C18.2 °C73.66 mm
June11.4 °C23.4 °C103.63 mm
July14 °C25.9 °C101.6 mm
August12.7 °C25 °C77.22 mm
September8.1 °C19.9 °C75.18 mm
October1.2 °C11.4 °C66.8 mm
November-6.1 °C2.3 °C28.19 mm
December-14.3 °C-5.1 °C23.37 mm
Annual-1.3 °C10.1 °C659.13 mm

Climate Data for Cass Lake Minnesota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 3b : -37.2°C to -34.4°C
Plant Hardiness Zone - 2012Zone 3a : -40°C to -37.2°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year