Richton Park Illinois Climate Data

Monthly Average Climate Data for Richton Park Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C-0.2 °C57.91 mm
February-7 °C2 °C53.34 mm
March-1.8 °C8.2 °C60.96 mm
April4.1 °C15.3 °C99.06 mm
May10 °C21.3 °C115.57 mm
June15.4 °C26.8 °C119.89 mm
July18.1 °C28.9 °C115.57 mm
August17.2 °C27.9 °C105.92 mm
September12.9 °C24.3 °C83.57 mm
October6.2 °C17.2 °C89.15 mm
November0.3 °C9.4 °C70.36 mm
December-5.4 °C2.6 °C58.17 mm
Annual5.1 °C15.3 °C1029.47 mm

Climate Data for Richton Park 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 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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