Oak Brook weather in August (Illinois, United States of America)

Curious about the August weather in Oak Brook? This guide provides all the details you need.

In August, Oak Brook typically experiences high temperatures and high rainfall. August is a summer month. Anticipate daytime temperatures around 28°C, while night temperatures can drop to 18°C.

Oak Brook in August usually receives high rainfall, averaging around 121 mm for the month. When we look at the climate data from the last 30 years, we can expect around 11 days of rain.

With around 280 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

In case you lean more towards enjoying temperate temperatures and rain-free days September typically offers the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Oak Brook climate page with graphs.

 

Oak Brook, monthly averages in August

Min Temperature 18°C  

Max Temperature 28°C  

Chance of Rain 35%  

Precipitation 121 mm  

Rainy days 11 days  

Humidity 71% *  

Windspeed 14 km/h *  

Sunshine 280 hours *  

Percentage Sunshine 66% *  

* Data from: Chicago, the United States of America (16 KM, 10 Miles).

Where to go in the United States of America in August

Find out more about the weather in the United States of America in August and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Oak Brook in August?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Oak Brook.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.