Ankeny Iowa Climate Data

Monthly Average Climate Data for Ankeny Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.2 °C-1.4 °C23.62 mm
February-9.1 °C1.2 °C28.19 mm
March-2.8 °C8.3 °C52.58 mm
April3.4 °C16.2 °C97.79 mm
May10.2 °C21.9 °C129.03 mm
June15.8 °C27.2 °C136.91 mm
July17.9 °C29.3 °C108.97 mm
August16.5 °C28.3 °C106.43 mm
September11.7 °C24.8 °C85.6 mm
October4.8 °C17.4 °C66.04 mm
November-1.9 °C8.9 °C46.23 mm
December-8 °C1.6 °C33.78 mm
Annual3.9 °C15.3 °C915.17 mm

Climate Data for Ankeny 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 5b : -26.1°C to -23.3°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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