Joliet weather in August (Illinois, United States of America)

What kind of weather does August bring to Joliet? Use this page to get an overview of the month’s weather conditions.

Temperatures

The month of August in Joliet typically brings high temperatures and high rainfall. Summer occurs in August. Expect temperatures to climb to 28°C during the day, with nighttime readings dropping to 17°C.

Precipitation

Joliet in August usually receives high rainfall, averaging around 131 mm for the month. Climate data suggests that about 12 days will experience rainfall.

Average sunshine

The days are predominantly sunny, with an estimated total of around 280 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

If your ideal day consists of dry skies and moderate temperatures September generally stands out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

Joliet, monthly averages in August

Min Temperature 17°C  

Max Temperature 28°C  

Chance of Rain 38%  

Precipitation 131 mm  

Rainy days 12 days  

Humidity 71% *  

Sunshine 280 hours *  

Percentage Sunshine 66% *  

Data from: Chicago, the United States of America (53 KM, 33 Miles).

Where to go in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel 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 this month?

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.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Joliet.

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 travel conditions. Find out where to go with our weather planner.