"When the Sun Comes Down" is a song by German Dance-Band R.I.O.

The song was written by Yann Peifer, Manuel Reuter and Andres Ballinas.

It was released in Germany as a digital download on 5 December 2008.

In autumn 2017 the Dutch DJ and producer Kaaze released a big room remix of the track as a free download.

Due to its premier during Hardwell's radio show Hardwell On Air, the track became popular.