Concord Illinois Climate Data

Monthly Average Climate Data for Concord Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.2 °F35.2 °F2.12 in.
February21.7 °F40.2 °F1.91 in.
March30.8 °F51.7 °F2.73 in.
April41.3 °F64.5 °F4.04 in.
May52.9 °F74.4 °F4.8 in.
June62.2 °F83.0 °F4.82 in.
July65.5 °F86.2 °F3.99 in.
August63.0 °F84.9 °F3.49 in.
September54.6 °F79.5 °F3.42 in.
October43.1 °F67.1 °F3.07 in.
November32.5 °F52.5 °F2.96 in.
December23.6 °F40.3 °F2.24 in.
Annual42.5 °F63.3 °F39.59 in.

Climate Data for Concord 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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