Moline Illinois Climate Data

Monthly Average Climate Data for Moline Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.6 °C-0.7 °C38.86 mm
February-7.6 °C1.8 °C44.45 mm
March-1.6 °C8.9 °C64.52 mm
April4.6 °C16.3 °C92.71 mm
May11.2 °C22.6 °C122.68 mm
June16.7 °C27.7 °C122.43 mm
July18.8 °C29.4 °C108.2 mm
August17.6 °C28.4 °C101.6 mm
September12.9 °C25.1 °C86.87 mm
October6.4 °C17.9 °C73.15 mm
November-0.3 °C9.6 °C57.91 mm
December-6.1 °C2.3 °C50.8 mm
Annual5.3 °C15.8 °C964.18 mm

Climate Data for Moline Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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