Clarksville Iowa Climate Data

Monthly Average Climate Data for Clarksville Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.9 °C-3.3 °C24.64 mm
February-10.5 °C-0.9 °C27.94 mm
March-4.1 °C6.4 °C47.24 mm
April2.4 °C14.9 °C97.54 mm
May9.4 °C21.6 °C126.24 mm
June15.5 °C26.9 °C147.83 mm
July17.2 °C28.5 °C113.28 mm
August15.7 °C27.3 °C104.9 mm
September10.9 °C24.1 °C88.65 mm
October4.1 °C16.6 °C66.8 mm
November-3 °C7.3 °C45.21 mm
December-9.1 °C-0.2 °C35.56 mm
Annual3 °C14.1 °C925.83 mm

Climate Data for Clarksville Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 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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