Highwood Illinois Climate Data

Monthly Average Climate Data for Highwood Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.9 °C-0.4 °C53.85 mm
February-6.2 °C1.7 °C51.05 mm
March-1.4 °C7.2 °C56.64 mm
April4.1 °C13.3 °C99.06 mm
May9.8 °C19.7 °C116.84 mm
June15.5 °C25.3 °C108.71 mm
July19.1 °C28 °C96.27 mm
August18.7 °C27.2 °C101.35 mm
September14.4 °C23.5 °C95 mm
October7.7 °C16.7 °C87.12 mm
November1.2 °C8.9 °C66.04 mm
December-4.4 °C2.6 °C55.12 mm
Annual5.9 °C14.5 °C987.05 mm

Climate Data for Highwood 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 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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