Genoa Illinois Climate Data

Monthly Average Climate Data for Genoa Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.6 °C-1.7 °C44.2 mm
February-8.7 °C0.7 °C43.69 mm
March-3.2 °C7.4 °C58.42 mm
April2.7 °C14.8 °C91.69 mm
May9.2 °C21.3 °C123.19 mm
June14.6 °C26.7 °C124.21 mm
July16.8 °C28.4 °C97.54 mm
August15.7 °C27.4 °C104.9 mm
September11.2 °C24.1 °C87.88 mm
October4.6 °C16.9 °C75.18 mm
November-1.4 °C8.4 °C61.47 mm
December-7.2 °C1.3 °C50.8 mm
Annual3.6 °C14.6 °C963.17 mm

Climate Data for Genoa Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com