Rankin Illinois Climate Data

Monthly Average Climate Data for Rankin Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.1 °F32.8 °F2.22 in.
February20.1 °F37.5 °F1.93 in.
March29.5 °F49.2 °F2.68 in.
April39.8 °F62.8 °F3.94 in.
May51.6 °F73.7 °F4.47 in.
June61.0 °F82.2 °F4.69 in.
July63.9 °F84.7 °F4.32 in.
August61.5 °F83.2 °F3.45 in.
September53.8 °F78.6 °F3.05 in.
October42.5 °F65.8 °F3.31 in.
November32.0 °F50.5 °F2.89 in.
December22.6 °F37.8 °F2.28 in.
Annual41.3 °F61.6 °F39.23 in.

Climate Data for Rankin 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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