Pierson Iowa Climate Data

Monthly Average Climate Data for Pierson Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.9 °F27.6 °F0.7 in.
February13.1 °F32.3 °F0.86 in.
March24.5 °F45.6 °F1.75 in.
April35.4 °F59.6 °F3.3 in.
May48.1 °F70.9 °F4.24 in.
June59.2 °F80.9 °F4.92 in.
July62.6 °F83.6 °F3.79 in.
August60.0 °F81.4 °F4.13 in.
September50.8 °F75.9 °F2.94 in.
October38.0 °F62.6 °F2.31 in.
November25.1 °F46.2 °F1.37 in.
December14.7 °F32.7 °F1.03 in.
Annual36.7 °F58.3 °F31.34 in.

Climate Data for Pierson Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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