Everyone knows that Chicagoans put up with the winter just for our awesome summers! June is alive with endless festival and summer event options.
Events 12 is a great resource of all the festivals in Chicago: http://www.events12.com/chicago/june/
But don’t forget about all of the conventions! Choose Chicago is always your one stop shop for an update on all the upcoming events and conventions happening in this City: http://www.choosechicago.com/meeting-professionals/convention-calendar/