Anderson Iowa Climate Data

Monthly Average Climate Data for Anderson Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.2 °F33.4 °F0.77 in.
February17.2 °F38.6 °F1.09 in.
March28.1 °F51.6 °F1.8 in.
April38.8 °F63.6 °F3.35 in.
May51.6 °F73.8 °F5.41 in.
June62.2 °F83.1 °F5.08 in.
July65.8 °F86.6 °F4.18 in.
August62.9 °F85.1 °F3.53 in.
September53.2 °F78.9 °F3.08 in.
October40.5 °F66.5 °F2.74 in.
November28.1 °F50.6 °F1.6 in.
December18.5 °F37.9 °F1.25 in.
Annual40 °F62.5 °F33.88 in.

Climate Data for Anderson Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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