Jacksonville Iowa Climate Data

Monthly Average Climate Data for Jacksonville Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.6 °C-1.5 °C20.83 mm
February-9.3 °C1.2 °C26.92 mm
March-3.3 °C8.6 °C47.75 mm
April2.8 °C16.1 °C90.42 mm
May9.7 °C21.9 °C127.76 mm
June15.5 °C27.2 °C126.24 mm
July17.6 °C28.9 °C97.79 mm
August16 °C27.9 °C105.41 mm
September10.9 °C24.6 °C87.63 mm
October4.3 °C17.7 °C69.09 mm
November-2.7 °C8.4 °C38.61 mm
December-8.2 °C1.3 °C32.77 mm
Annual3.5 °C15.2 °C871.22 mm

Climate Data for Jacksonville Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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