Waterville Iowa Climate Data

Monthly Average Climate Data for Waterville Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.7 °C-3.3 °C31.24 mm
February-10.8 °C-0.8 °C29.97 mm
March-4.3 °C6.3 °C50.29 mm
April2 °C14.3 °C102.62 mm
May8.4 °C20.8 °C124.21 mm
June14.2 °C26.1 °C149.1 mm
July16.4 °C28.1 °C114.3 mm
August15.2 °C27.1 °C107.44 mm
September10.5 °C23.2 °C98.04 mm
October3.8 °C15.9 °C69.85 mm
November-2.8 °C6.9 °C51.56 mm
December-8.8 °C-0.2 °C38.1 mm
Annual2.6 °C13.7 °C966.72 mm

Climate Data for Waterville Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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