Afton Minnesota Climate Data

Monthly Average Climate Data for Afton Minnesota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-13.8 °C-4.5 °C24.38 mm
February-11.9 °C-1.8 °C21.84 mm
March-5.2 °C5.1 °C42.16 mm
April2.1 °C13.3 °C76.96 mm
May9.1 °C20.2 °C108.71 mm
June14.8 °C25.8 °C134.87 mm
July17.4 °C28.2 °C113.54 mm
August15.9 °C26.9 °C114.55 mm
September11.3 °C22.7 °C87.88 mm
October4.2 °C14.8 °C71.88 mm
November-2.9 °C5.9 °C40.89 mm
December-9.8 °C-1.6 °C33.02 mm
Annual2.6 °C12.9 °C870.68 mm

Climate Data for Afton 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 5a : -28.9°C to -26.1°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