Festival dijadwalkan dari 26 Jun hingga 07 Jul 2013 (11 hari).
Summerfest berlangsung di Milwaukee, United States. Berikut adalah alamat lengkap festival: Henry Maier Festival Park; Milwaukee, Wisconsin, United States
Imagine Dragons, Pitbull, twenty one pilots, Thomas Rhett, Dropkick Murphys, The Neighbourhood, Skillet, Luke Bryan, Jason Aldean, Mother Mother, Alice Cooper, Styx, John Mayer, Eagles, Billy Idol.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
rock
pop
punk
alternative rock
alternative
indie rock
indie
pop rock
indie pop
hard rock
classic rock
punk rock
rnb
dance
new wave
acoustic
blues rock
electropop
emo