Lexington Illinois Climate Data

Monthly Average Climate Data for Lexington Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.8 °C0.3 °C54.61 mm
February-6.9 °C2.9 °C46.23 mm
March-1.7 °C9.7 °C65.53 mm
April4.3 °C17.1 °C93.98 mm
May10.8 °C23.2 °C110.24 mm
June16.1 °C27.9 °C100.58 mm
July17.9 °C29.6 °C95.25 mm
August16.7 °C28.6 °C84.58 mm
September12.2 °C25.7 °C83.82 mm
October5.9 °C18.6 °C88.14 mm
November-0.2 °C10.2 °C65.02 mm
December-5.6 °C3.2 °C48.77 mm
Annual5.1 °C16.4 °C936.75 mm

Climate Data for Lexington 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 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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