Garrison Minnesota Climate Data

Monthly Average Climate Data for Garrison Minnesota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-18.1 °C-7.1 °C18.54 mm
February-16.4 °C-3.8 °C20.32 mm
March-8.9 °C3.2 °C36.83 mm
April-1.2 °C10.7 °C61.72 mm
May6.1 °C18.4 °C92.46 mm
June11.9 °C23.7 °C115.82 mm
July14.4 °C26.2 °C109.98 mm
August13 °C25.1 °C87.12 mm
September8.4 °C20.4 °C74.68 mm
October1.6 °C12.3 °C76.2 mm
November-5.4 °C3.3 °C36.32 mm
December-13.2 °C-4.1 °C25.65 mm
Annual-0.7 °C10.7 °C755.64 mm

Climate Data for Garrison Minnesota

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 4a : -34.4°C to -31.7°C
Plant Hardiness Zone - 2012Zone 3b : -37.2°C to -34.4°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year