Dennison Minnesota Climate Data

Monthly Average Climate Data for Dennison Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January5.9 °F23.2 °F0.9 in.
February9.4 °F28.0 °F0.99 in.
March21.8 °F40.3 °F1.82 in.
April34.4 °F55.7 °F2.91 in.
May47.0 °F68.1 °F4.39 in.
June57.6 °F77.7 °F5.22 in.
July61.2 °F81.4 °F4.08 in.
August58.7 °F79.6 °F4.62 in.
September50.4 °F72.7 °F3.42 in.
October37.5 °F58.7 °F2.47 in.
November25.4 °F42.3 °F1.68 in.
December13.0 °F28.8 °F1.23 in.
Annual35.2 °F54.7 °F33.73 in.

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 : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year