Ollie Iowa Climate Data

Monthly Average Climate Data for Ollie Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.1 °C-0.5 °C33.02 mm
February-8.1 °C2.1 °C40.13 mm
March-2.1 °C9.3 °C57.91 mm
April4.1 °C16.7 °C95.76 mm
May10.7 °C22.3 °C130.81 mm
June16.3 °C27.6 °C133.1 mm
July18.2 °C29.6 °C105.92 mm
August16.8 °C28.6 °C107.44 mm
September11.9 °C25 °C91.95 mm
October5.3 °C17.9 °C72.64 mm
November-1.1 °C9.4 °C56.39 mm
December-6.8 °C2.4 °C41.66 mm
Annual4.6 °C15.9 °C966.73 mm

Climate Data for Ollie Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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