Dennison Minnesota Climate Data

Monthly Average Climate Data for Dennison Minnesota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.5 °C-4.9 °C22.86 mm
February-12.6 °C-2.2 °C25.15 mm
March-5.7 °C4.6 °C46.23 mm
April1.3 °C13.2 °C73.91 mm
May8.3 °C20.1 °C111.51 mm
June14.2 °C25.4 °C132.59 mm
July16.2 °C27.4 °C103.63 mm
August14.8 °C26.4 °C117.35 mm
September10.2 °C22.6 °C86.87 mm
October3.1 °C14.8 °C62.74 mm
November-3.7 °C5.7 °C42.67 mm
December-10.6 °C-1.8 °C31.24 mm
Annual1.8 °C12.6 °C856.75 mm

Climate Data for Dennison 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