Cincinnati Iowa Climate Data

Monthly Average Climate Data for Cincinnati Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.1 °F31.9 °F1.17 in.
February17.8 °F36.6 °F1.53 in.
March28.4 °F49.4 °F2.31 in.
April39.1 °F61.5 °F3.96 in.
May50.8 °F71.2 °F5.45 in.
June60.6 °F80.7 °F5.36 in.
July64.7 °F85.0 °F4.62 in.
August62.3 °F83.5 °F4.25 in.
September53.5 °F76.5 °F3.93 in.
October41.5 °F63.8 °F2.96 in.
November29.5 °F49.3 °F2.18 in.
December19.8 °F37.0 °F1.58 in.
Annual40.2 °F60.5 °F39.3 in.

Climate Data for Cincinnati Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation