Jacksonville Iowa Climate Data

Monthly Average Climate Data for Jacksonville Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.2 °F29.3 °F0.82 in.
February15.3 °F34.1 °F1.06 in.
March26.1 °F47.5 °F1.88 in.
April37.0 °F60.9 °F3.56 in.
May49.5 °F71.4 °F5.03 in.
June59.9 °F81.0 °F4.97 in.
July63.6 °F84.1 °F3.85 in.
August60.8 °F82.2 °F4.15 in.
September51.7 °F76.2 °F3.45 in.
October39.8 °F63.8 °F2.72 in.
November27.1 °F47.2 °F1.52 in.
December17.2 °F34.4 °F1.29 in.
Annual38.3 °F59.3 °F34.3 in.

Climate Data for Jacksonville Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°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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