Barrington Illinois Climate Data

Monthly Average Climate Data for Barrington Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.7 °C-0.9 °C50.04 mm
February-8.2 °C1.2 °C49.28 mm
March-2.9 °C7.6 °C57.15 mm
April2.8 °C14.6 °C96.52 mm
May8.8 °C20.9 °C124.71 mm
June14.3 °C26.4 °C119.13 mm
July17.2 °C28.8 °C98.04 mm
August16.4 °C27.5 °C106.43 mm
September11.8 °C23.7 °C88.65 mm
October5.4 °C16.6 °C83.31 mm
November-0.8 °C8.7 °C62.23 mm
December-6.4 °C1.9 °C54.61 mm
Annual4.1 °C14.8 °C990.1 mm

Climate Data for Barrington 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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