Garwin Iowa Climate Data

Monthly Average Climate Data for Garwin Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.8 °C-2.5 °C25.4 mm
February-9.7 °C0.2 °C28.7 mm
March-3.5 °C7.5 °C51.05 mm
April2.7 °C15.4 °C93.98 mm
May9.7 °C21.6 °C123.19 mm
June15.6 °C26.9 °C142.49 mm
July17.4 °C28.8 °C107.95 mm
August15.8 °C27.7 °C105.92 mm
September11 °C24.3 °C87.63 mm
October4.3 °C16.9 °C69.09 mm
November-2.5 °C8.1 °C52.32 mm
December-8.3 °C0.7 °C36.32 mm
Annual3.4 °C14.6 °C924.04 mm

Climate Data for Garwin Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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