This is a lovely Christmas song from Alleluia Aotearoa with words by Shirley Murray and nicely set by her frequent collaborator Colin Gibson (REVERSI). It is a wonderful corrective to eurocentric, northern hemisphere Christmas offerings, in which we dutifully sing about cold and snow despite dripping in sweat and humidity.
The sheet music and text are at Hope Publishing. Two of the choirs in the Youtube clips below lazily claim copyright for the text and music and fail to correctly credit Shirley Murray.