Webster City Iowa Climate Data

Monthly Average Climate Data for Webster City Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.7 °F26.7 °F0.9 in.
February12.8 °F31.2 °F1.09 in.
March24.8 °F44.3 °F2.01 in.
April35.9 °F59.6 °F3.72 in.
May48.0 °F70.8 °F5.04 in.
June58.7 °F80.5 °F5.47 in.
July62.2 °F83.6 °F4.2 in.
August59.6 °F81.4 °F4.5 in.
September50.9 °F75.6 °F3.29 in.
October38.3 °F62.7 °F2.65 in.
November26.0 °F45.9 °F1.65 in.
December15.1 °F32.2 °F1.39 in.
Annual36.8 °F57.9 °F35.91 in.

Climate Data for Webster City Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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