Litchfield Illinois Climate Data

Monthly Average Climate Data for Litchfield Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.4 °C2.1 °C65.53 mm
February-4.6 °C5 °C56.39 mm
March0.4 °C11.2 °C77.98 mm
April6.1 °C18 °C120.9 mm
May12.3 °C23.4 °C127.25 mm
June17.2 °C28.3 °C111.25 mm
July18.9 °C30.1 °C99.57 mm
August17.7 °C29.5 °C85.34 mm
September13.1 °C26.4 °C82.3 mm
October6.8 °C19.7 °C82.55 mm
November1.3 °C11.4 °C87.88 mm
December-3.7 °C4.8 °C64.77 mm
Annual6.6 °C17.5 °C1061.71 mm

Climate Data for Litchfield Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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