Waterville Iowa Climate Data

Monthly Average Climate Data for Waterville Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.2 °F26.0 °F1.23 in.
February12.5 °F30.6 °F1.18 in.
March24.3 °F43.3 °F1.98 in.
April35.6 °F57.8 °F4.04 in.
May47.2 °F69.4 °F4.89 in.
June57.6 °F79.0 °F5.87 in.
July61.5 °F82.5 °F4.5 in.
August59.3 °F80.7 °F4.23 in.
September50.9 °F73.7 °F3.86 in.
October38.8 °F60.6 °F2.75 in.
November26.9 °F44.5 °F2.03 in.
December16.2 °F31.6 °F1.5 in.
Annual36.7 °F56.6 °F38.06 in.

Climate Data for Waterville Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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