Sun River Terrace Illinois Climate Data

Monthly Average Climate Data for Sun River Terrace Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.4 °F32.1 °F2.22 in.
February19.4 °F36.4 °F1.94 in.
March28.8 °F48.0 °F2.37 in.
April38.9 °F61.1 °F3.68 in.
May50.3 °F72.1 °F4.41 in.
June60.2 °F81.4 °F4.78 in.
July63.8 °F84.5 °F4.49 in.
August61.7 °F82.9 °F3.87 in.
September53.9 °F77.5 °F3.29 in.
October42.3 °F64.7 °F3.38 in.
November31.8 °F49.7 °F2.64 in.
December22.2 °F37.3 °F2.18 in.
Annual40.8 °F60.6 °F39.25 in.

Climate Data for Sun River Terrace Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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