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Weather in June in Illinois

Are you planning a trip a to Illinois in June and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Illinois in June?

Illinois is a region in the United States of America. June in Illinois generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to heavy. June falls during the summer season.

Temperatures

The average highest temperatures fluctuate between warm in Roscoe at 23°C to very warm in Metropolis at 31°C. Nighttime temperatures generally drop to 19°C in Metropolis and 11°C in Roscoe.

Precipitation

In June, precipitation varies across different areas. From moderate rainfall in Marion with an average of 99 mm to heavy rainfall in Galena with 164 mm. Going by our weather data, it is the wettest month of the year in Chicago.

Average sunshine

The city Chicago usually sees around 311 hours of sunlight, indicating many sunny days.

To learn more about the conditions in specific areas of Illinois in June, check out the map below. For more details on the yearly weather, visit our Illinois climate page.

Where to go in Illinois in June

Find more information for the most popular destinations in the Illinois on the map below. Click on a destination dot for more detailes.

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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).

Popular destinations

What is the weather like in June for the 5 most popular destinations in Illinois?

Chicago

In June Chicago generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 16°C and high monthly rainfall. So on average the conditions are pleasant that month.

Chicago
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   May May
<<  
21°C 
11°C 
282 hours 
118 mm 
12 days 
26°C 
16°C 
311 hours 
126 mm 
14 days 
July   >> July
>>  
29°C 
19°C 
319 hours 
115 mm 
11 days 
Climate in Chicago

Schaumburg

In June Schaumburg generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 15°C and high monthly rainfall. So on average the conditions are pleasant that month.

Schaumburg
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   May May
<<  
22°C 
9°C 
282 hours 
103 mm 
13 days 
27°C 
15°C 
311 hours 
124 mm 
14 days 
July   >> July
>>  
29°C 
17°C 
319 hours 
116 mm 
11 days 
Climate in Schaumburg

Rosemont

In June Rosemont generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 16°C and high monthly rainfall. So on average the conditions are pleasant that month.

Rosemont
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   May May
<<  
21°C 
11°C 
282 hours 
117 mm 
12 days 
26°C 
16°C 
311 hours 
126 mm 
14 days 
July   >> July
>>  
29°C 
19°C 
319 hours 
116 mm 
11 days 
Climate in Rosemont

Joliet

In June Joliet generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 16°C and high monthly rainfall. So on average the conditions are pleasant that month.

Joliet
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   May May
<<  
22°C 
10°C 
282 hours 
113 mm 
13 days 
27°C 
16°C 
311 hours 
133 mm 
15 days 
July   >> July
>>  
29°C 
18°C 
319 hours 
116 mm 
12 days 
Climate in Joliet

Naperville

In June Naperville generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 15°C and high monthly rainfall. So on average the conditions are pleasant that month.

Naperville
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   May May
<<  
22°C 
10°C 
282 hours 
117 mm 
13 days 
27°C 
15°C 
311 hours 
123 mm 
14 days 
July   >> July
>>  
29°C 
17°C 
319 hours 
106 mm 
11 days 
Climate in Naperville

Is your destination not in the list? Have a look at other destinations in Illinois, in the United States of America.

Is June the best time to visit Illinois?

Given the typically pleasant weather conditions in Chicago, June might be a good time to visit Illinois.

Generally speaking, September provides perfect weather in Chicago. In contrast, January, February, March, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Illinois. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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.