Edwardsville Illinois Climate Data

Monthly Average Climate Data for Edwardsville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.6 °F39.5 °F2.66 in.
February26.5 °F44.9 °F2.42 in.
March35.7 °F55.2 °F3.49 in.
April46.5 °F66.7 °F4.97 in.
May57.3 °F75.8 °F5.2 in.
June66.2 °F84.5 °F4.79 in.
July69.5 °F87.4 °F4.43 in.
August67.9 °F86.6 °F3.95 in.
September59.1 °F80.3 °F3.11 in.
October48.2 °F68.7 °F3.34 in.
November36.6 °F54.8 °F3.53 in.
December28.2 °F44.0 °F2.71 in.
Annual47.1 °F65.7 °F44.6 in.

Climate Data for Edwardsville Illinois

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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