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Alton weather in June (Illinois, United States of America)

What should you pack for a trip to Alton in June? Check out our in-depth weather guide for this month.

Temperatures

The month of June in Alton typically includes high temperatures and high rainfall. June is known for being in the summer season. Throughout the day, temperatures typically settle at around 29°C. But by evening, they drop to around 19°C. These are average temperatures, but there can be hotter days. Be sure to wear appropriate clothing and stay hydrated to manage the heat.

Precipitation

Alton in June usually receives high rainfall, averaging around 104 mm for the month. Based on our climate data of the past 30 years, about 12 days of rain are anticipated.

Average sunshine

There are approximately 293 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

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 Alton climate page with graphs.

 

Alton, monthly averages in June

Min TemperatureMin Temperature 19°C  
Max TemperatureMax Temperature 29°C  
Chance of RainChance of Rain 39%  
PrecipitationPrecipitation 104 mm  
Rainy daysRainy days 12 days  
HumidityHumidity 67% *  
SunshineSunshine 293 hours *  
Percentage SunshinePercentage Sunshine 66% *  
Data from: St. Louis, the United States of America (29 KM, 18 Miles).

Where to go in the United States of America in June

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

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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 Alton.

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.