Chicago Weather in June

June's summer weather includes the sunniest conditions all year for Chicago, Illinois. This month can also expect a few really hot days and more frequent thunderstorms.

This page gives detailed information on the typical June weather for Chicago.

You can jump directly to data and descriptions for:

The numbers here are historical averages based on climate data gathered at the Chicago O'Hare International Airport, located in the northwestern part of Chicago.

Temperature Weather iconTemperature

80 °F June average high 27 °C
58 °F June average low 15 °C

In most years, Chicago averages a daily maximum temperature for June that's between 77 and 83 degrees Fahrenheit (25 to 28 degrees Celsius). The minimum temperature usually falls between 55 and 61 °F (13 to 16 °C).

The days at Chicago heat up steadily during June. By the end of the month, the temperature has climbed around 9 °F (5 °C) above what it was at the start.

16 days 80 °F max. or more (27 °C)
18 days 60 °F min. or less (16 °C)

The temperature rises nearly every day in June to over 60 °F (16 °C) in Chicago. The city averages 3 days this month when the thermometer reaches into the 90s °F (over 32 °C). A day as hot as 100 °F (38 °C) or above occurs in June about once a decade.

The thermometer dips to 50 °F (10 °C) or below on an average of 4 nights. But June does not normally get cold enough for frost.

Rainy Weather iconRain

3.5 in total precipitation 88 mm
10 days of rain

Half the time, Chicago receives 2 to 5 inches (50 to 114 mm) of rainfall in June. One in four years has drier weather, while another one in four is wetter.

Sunny Weather iconSun

67 % sunshine
7 days clear skies

June is Chicago's sunniest month. The sun's rays reach the ground in Chicago during 67 percent of daylight hours on average in June, for a total of 305 hours in the month. Typically on 7 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in June at Chicago averages 15 hours and 10 minutes a day. The longest days of the year, from around June 16th to 25th, last 15 hours and 13 minutes from sunrise to sunset.

Humid Weather iconHumidity

66 % June average humidity

The relative humidity in Chicago during June usually peaks at 79 percent in the morning then drops to 52 percent by mid afternoon.

Local Time12 am3 am6 am9 am12 pm3 pm6 pm9 pm
Humidity % 75 79 78 63 55 52 55 67

Windy Weather iconWind

9.3 mph June wind speed average 15.0 kph

June is a less windy than most other months in Chicago.

Stormy Weather iconStorms

2 days rainfall of 0.5 inches (13 mm) or more
7 days with thunderstorms in June

Chicago experiences more thunderstorms in June than other months.


These weather data are long-term historical averages provided by the National Climatic Data Center of the United States. The temperature and precipitation numbers are 1981-2010 normals while the humidity and thunderstorm statistics are 1961-1990 normals.

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