Garrison Minnesota Climate Data

Monthly Average Climate Data for Garrison Minnesota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January-0.5 °F19.3 °F0.73 in.
February2.5 °F25.1 °F0.8 in.
March15.9 °F37.8 °F1.45 in.
April29.8 °F51.2 °F2.43 in.
May43.0 °F65.1 °F3.64 in.
June53.4 °F74.7 °F4.56 in.
July57.9 °F79.2 °F4.33 in.
August55.4 °F77.1 °F3.43 in.
September47.1 °F68.8 °F2.94 in.
October34.9 °F54.2 °F3.0 in.
November22.2 °F37.9 °F1.43 in.
December8.3 °F24.6 °F1.01 in.
Annual30.8 °F51.3 °F29.75 in.

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 : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 3b : -35°F to -30°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year