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

How is May weather typically in Collinsville? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

During May, Collinsville usually has high temperatures and high rainfall. As the day progresses, temperatures can peak at 25°C. Luckily at nightfall, they typically drop to 14°C.

Precipitation

Collinsville in May usually receives high rainfall, averaging around 135 mm for the month. Looking at the last 30 years, the data shows about 14 days with rain.

Average sunshine

With approximately 269 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

If your ideal day consists of dry skies and moderate temperatures September and October generally stand out with 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 May

Min Temperature 14°C  

Max Temperature 25°C  

Chance of Rain 47%  

Precipitation 135 mm  

Rainy days 14 days  

Humidity 65% *  

Sunshine 269 hours *  

Percentage Sunshine 60% *  

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

Where to go in the United States of America in May

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

Map not visible? Whoops sorry! Please refresh the page.

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?

For visitors traveling to Collinsville, 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.

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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.