Chariton Iowa Climate Data

Monthly Average Climate Data for Chariton Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.3 °C-0.2 °C25.4 mm
February-8.2 °C2.3 °C34.54 mm
March-2.3 °C9.5 °C53.85 mm
April3.7 °C16.3 °C103.38 mm
May10.3 °C21.8 °C141.48 mm
June15.8 °C27.1 °C134.87 mm
July18.2 °C29.5 °C119.38 mm
August16.7 °C28.5 °C114.81 mm
September11.7 °C24.8 °C94.74 mm
October5 °C17.8 °C72.64 mm
November-1.6 °C9.4 °C51.56 mm
December-7.2 °C2.7 °C35.05 mm
Annual4.3 °C15.8 °C981.7 mm

Climate Data for Chariton Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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