Mound City Illinois Climate Data

Monthly Average Climate Data for Mound City Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.7 °F43.2 °F3.9 in.
February29.6 °F48.3 °F3.83 in.
March37.7 °F58.0 °F4.9 in.
April47.6 °F69.3 °F5.25 in.
May57.9 °F78.2 °F5.28 in.
June66.3 °F86.4 °F4.27 in.
July69.6 °F89.0 °F3.9 in.
August67.0 °F87.7 °F2.86 in.
September58.8 °F82.0 °F3.44 in.
October47.1 °F71.3 °F3.92 in.
November37.1 °F57.7 °F4.33 in.
December30.1 °F46.7 °F4.29 in.
Annual48 °F68.2 °F50.17 in.

Climate Data for Mound City Illinois

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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