Pierson Iowa Climate Data

Monthly Average Climate Data for Pierson Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.8 °C-2.4 °C17.78 mm
February-10.5 °C0.2 °C21.84 mm
March-4.2 °C7.6 °C44.45 mm
April1.9 °C15.3 °C83.82 mm
May8.9 °C21.6 °C107.7 mm
June15.1 °C27.2 °C124.97 mm
July17 °C28.7 °C96.27 mm
August15.6 °C27.4 °C104.9 mm
September10.4 °C24.4 °C74.68 mm
October3.3 °C17 °C58.67 mm
November-3.8 °C7.9 °C34.8 mm
December-9.6 °C0.4 °C26.16 mm
Annual2.6 °C14.6 °C796.04 mm

Climate Data for Pierson Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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