Listen to Rainy Day in the Sun online. Rainy Day in the Sun is an Instrumental language song and is sung by Waikiki Diamonds. Rainy Day in the Sun, from the album Chill Hawaii:ナチュラルなフララウンジ - The Island of Dreams, was released in the year 2023. The duration of the song is 1:26. Download Instrumental songs online from JioSaavn.