Yorktown Iowa Climate Data

Monthly Average Climate Data for Yorktown Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.5 °C0.3 °C21.59 mm
February-8.1 °C3.3 °C26.67 mm
March-2.1 °C10.4 °C48.01 mm
April3.6 °C17 °C81.03 mm
May10.4 °C22.6 °C143.76 mm
June16.2 °C27.6 °C136.65 mm
July18.4 °C29.6 °C108.97 mm
August16.9 °C28.8 °C92.46 mm
September11.8 °C25.5 °C77.22 mm
October5 °C18.8 °C71.37 mm
November-1.8 °C10.1 °C49.78 mm
December-7.4 °C3.1 °C30.23 mm
Annual4.4 °C16.4 °C887.74 mm

Climate Data for Yorktown Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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