Indianola Illinois Climate Data

Monthly Average Climate Data for Indianola Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.2 °F34.1 °F2.52 in.
February21.4 °F38.7 °F2.14 in.
March30.7 °F50.4 °F2.92 in.
April41.3 °F63.5 °F4.28 in.
May52.7 °F74.2 °F4.55 in.
June61.9 °F82.5 °F4.79 in.
July64.5 °F84.8 °F4.26 in.
August62.2 °F83.5 °F3.08 in.
September54.6 °F78.7 °F3.04 in.
October43.2 °F66.3 °F3.42 in.
November32.6 °F51.4 °F3.38 in.
December23.9 °F38.9 °F2.55 in.
Annual42.3 °F62.3 °F40.93 in.

Climate Data for Indianola Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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