Oak Brook climate

Typical historical weather for Oak Brook, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Oak Brook.

Annual average

11.1°C

across all months

Warmest month

28.2°C

Jul average high

Coolest month

-6.8°C

Jan average low

Annual rainfall

1073mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

36.4°C

24 August 2023

Coldest day

-33.2°C

31 January 2019

Wettest day

95.7mm

25 June 2021

Windiest day

9.8m/s

24 February 2019