Green Oaks Illinois Climate Data

Monthly Average Climate Data for Green Oaks Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.6 °F30.8 °F2.09 in.
February19.3 °F34.2 °F2.04 in.
March28.1 °F44.3 °F2.27 in.
April38.4 °F55.6 °F3.89 in.
May48.8 °F67.1 °F4.48 in.
June58.9 °F77.2 °F4.33 in.
July64.6 °F82.0 °F3.7 in.
August63.7 °F80.6 °F3.77 in.
September55.9 °F73.9 °F3.8 in.
October44.1 °F61.5 °F3.25 in.
November32.7 °F47.7 °F2.54 in.
December22.5 °F36.1 °F2.13 in.
Annual41.1 °F57.6 °F38.29 in.

Climate Data for Green Oaks Illinois

Average First Frost DateOct. 21 - Oct. 31
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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