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

Looking to travel to Oak Brook in May? Check out this comprehensive weather guide.

In May, Oak Brook generally has pleasant temperatures and high rainfall. Throughout the day, temperatures typically settle at around 22°C. But by evening, they drop to around 10°C.

Oak Brook in May usually receives high rainfall, averaging around 112 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 13 days of the month will see rainfall.

The city usually sees around 282 hours of sunlight, indicating many sunny days.

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 May

Min Temperature 10°C  

Max Temperature 22°C  

Chance of Rain 43%  

Precipitation 112 mm  

Rainy days 13 days  

Humidity 64% *  

Windspeed 18 km/h *  

Sunshine 282 hours *  

Percentage Sunshine 62% *  

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

Where to go in the United States of America in May

Find out more about the weather in the United States of America in May 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 May?

For visitors traveling to Oak Brook, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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.