Yorktown Iowa Climate Data

Monthly Average Climate Data for Yorktown Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.1 °F32.5 °F0.85 in.
February17.4 °F37.9 °F1.05 in.
March28.2 °F50.7 °F1.89 in.
April38.4 °F62.6 °F3.19 in.
May50.7 °F72.6 °F5.66 in.
June61.2 °F81.7 °F5.38 in.
July65.2 °F85.3 °F4.29 in.
August62.5 °F83.9 °F3.64 in.
September53.2 °F77.9 °F3.04 in.
October41.0 °F65.8 °F2.81 in.
November28.7 °F50.1 °F1.96 in.
December18.7 °F37.5 °F1.19 in.
Annual39.9 °F61.5 °F34.95 in.

Climate Data for Yorktown Iowa

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