St. Charles weather in May (Missouri, United States of America)

Wondering what the weather is like in St. Charles during May? Explore our page to find a thorough overview of this month's weather conditions.

Temperatures

May in St. Charles generally includes high temperatures and high rainfall. The daytime often sees temperatures reaching 25°C, but nighttime brings a cool-down to 13°C.

Precipitation

St. Charles in May usually receives high rainfall, averaging around 122 mm for the month. This month experiences about 14 days of rain according to historical data.

Average sunshine

Enjoy a sunny month with about 269 hours of sunshine, providing a cheerful and lively 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 St. Charles climate page with graphs.

 

St. Charles, monthly averages in May

Min Temperature 13°C  

Max Temperature 25°C  

Chance of Rain 45%  

Precipitation 122 mm  

Rainy days 14 days  

Humidity 65% *  

Sunshine 269 hours *  

Percentage Sunshine 60% *  

Data from: St. Louis, the United States of America (30 KM, 18 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

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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?

For visitors traveling to St. Charles, 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 St. Charles.

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.