Ridgway Illinois Climate Data

Monthly Average Climate Data for Ridgway Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.2 °F41.3 °F3.6 in.
February27.8 °F46.3 °F3.2 in.
March35.8 °F56.0 °F4.47 in.
April45.9 °F67.8 °F4.92 in.
May56.5 °F76.8 °F5.11 in.
June64.9 °F85.1 °F4.37 in.
July68.0 °F88.0 °F4.07 in.
August65.7 °F87.1 °F3.0 in.
September58.2 °F82.0 °F3.14 in.
October46.6 °F70.2 °F3.34 in.
November36.1 °F56.4 °F4.0 in.
December28.8 °F45.7 °F3.81 in.
Annual46.6 °F66.9 °F47.03 in.

Climate Data for Ridgway Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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