"Welcome Rain" is a song recorded by Japanese-American singer-songwriter Ai from her twelfth studio album, Dream.

[1] "Welcome Rain" was included on Ai's twelfth studio album Dream as its fourth track.

Although not released as a single, Ai teamed up with Asahi Breweries to promote the song.

[2] In March 2022, The First Take revealed they would be releasing a live recording of Ai performing the song on their official YouTube channel.

[9][2] Barks has described "Welcome Rain" as a song with a "delicate" melody with a "deep message", comparing it to Ai's 2021 single, "Aldebaran".