Ankeny Iowa Climate Data

Monthly Average Climate Data for Ankeny Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.8 °F29.5 °F0.93 in.
February15.7 °F34.1 °F1.11 in.
March26.9 °F47.0 °F2.07 in.
April38.2 °F61.1 °F3.85 in.
May50.3 °F71.4 °F5.08 in.
June60.5 °F80.9 °F5.39 in.
July64.3 °F84.8 °F4.29 in.
August61.7 °F82.9 °F4.19 in.
September53.1 °F76.6 °F3.37 in.
October40.7 °F63.4 °F2.6 in.
November28.5 °F48.1 °F1.82 in.
December17.6 °F34.8 °F1.33 in.
Annual39.1 °F59.6 °F36.03 in.

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 : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation