Mound City Illinois Climate Data

Monthly Average Climate Data for Mound City Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.9 °C6.2 °C99.06 mm
February-1.3 °C9.1 °C97.28 mm
March3.2 °C14.4 °C124.46 mm
April8.7 °C20.7 °C133.35 mm
May14.4 °C25.7 °C134.11 mm
June19.1 °C30.2 °C108.46 mm
July20.9 °C31.7 °C99.06 mm
August19.4 °C30.9 °C72.64 mm
September14.9 °C27.8 °C87.38 mm
October8.4 °C21.8 °C99.57 mm
November2.8 °C14.3 °C109.98 mm
December-1.1 °C8.2 °C108.97 mm
Annual8.9 °C20.1 °C1274.32 mm

Climate Data for Mound City Illinois

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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