Godfrey Illinois Climate Data

Monthly Average Climate Data for Godfrey Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.5 °F38.4 °F2.56 in.
February25.6 °F43.9 °F2.28 in.
March34.8 °F54.4 °F3.29 in.
April45.4 °F66.0 °F4.71 in.
May56.4 °F75.4 °F5.1 in.
June65.5 °F84.0 °F4.32 in.
July68.8 °F86.8 °F3.89 in.
August66.9 °F86.3 °F3.66 in.
September58.4 °F79.8 °F3.29 in.
October47.0 °F68.3 °F3.26 in.
November35.8 °F54.2 °F3.47 in.
December27.1 °F43.1 °F2.64 in.
Annual46.2 °F65.1 °F42.47 in.

Climate Data for Godfrey 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 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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