Patterson Iowa Climate Data

Monthly Average Climate Data for Patterson Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.6 °F30.6 °F0.93 in.
February16.6 °F35.5 °F1.23 in.
March27.4 °F48.3 °F2.09 in.
April38.7 °F61.6 °F3.69 in.
May50.6 °F71.7 °F5.07 in.
June60.8 °F81.2 °F4.92 in.
July64.9 °F85.2 °F4.29 in.
August62.3 °F83.6 °F3.95 in.
September53.4 °F77.1 °F3.62 in.
October41.3 °F64.0 °F2.66 in.
November29.1 °F48.8 °F1.92 in.
December18.2 °F35.7 °F1.32 in.
Annual39.7 °F60.3 °F35.69 in.

Climate Data for Patterson 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 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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