Chemung Illinois Climate Data

Monthly Average Climate Data for Chemung Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.9 °F28.7 °F1.69 in.
February15.8 °F32.7 °F1.71 in.
March25.5 °F44.5 °F2.23 in.
April35.9 °F57.6 °F3.67 in.
May47.5 °F69.3 °F4.43 in.
June57.3 °F78.9 °F5.18 in.
July61.3 °F82.6 °F3.9 in.
August59.6 °F81.0 °F4.05 in.
September51.6 °F74.5 °F3.65 in.
October40.1 °F61.4 °F2.89 in.
November29.4 °F46.5 °F2.38 in.
December19.0 °F33.9 °F1.98 in.
Annual38 °F57.6 °F37.76 in.

Climate Data for Chemung Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 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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