Collinsville weather in July (Illinois, United States of America)

Curious about the climate in Collinsville this July? Get all the weather information you need to plan your visit.

Temperatures

In July, Collinsville usually has very high temperatures and high rainfall. July is part of the summer season. Anticipate daytime highs near 31°C, and cooler nights with temperatures around 21°C. Often, it stands out as the year's warmest month. With this in mind, cool breathable fabrics will make navigating the heat much more bearable. Always be ready to embrace the warmth while staying cool and protected.

Precipitation

Collinsville in July usually receives high rainfall, averaging around 105 mm for the month. Typically around 11 days days of rainfall are expected.

Average sunshine

There are approximately 311 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you prefer dry days with pleasant temperatures, September and October typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Collinsville, monthly averages in July

Min Temperature 21°C  

Max Temperature 31°C  

Chance of Rain 37%  

Precipitation 105 mm  

Rainy days 11 days  

Humidity 68% *  

Sunshine 311 hours *  

Percentage Sunshine 68% *  

Data from: St. Louis, the United States of America (19 KM, 11 Miles).

Where to go in the United States of America in July

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 Collinsville.

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.