[4] He appeared in ten of their twelve matches during the regular season, scoring one try against the Golden Lions[5] and a brace in their 43–24 victory over the Leopards[6] as Western Province finished in third place on the log to qualify for the title play-offs.
He was named on the bench for their opening match of the season, a 32–22 victory over the Griffons in Malmesbury,[10] but made his first class debut a week later, coming on as a replacement in their 17–48 defeat to Griquas in Kimberley.
He returned to the Under-21 team for their final match of the regular season, converting seven of his side's fifteen tries in a 101–19 victory over Border U21[17] to finish secure top spot on the log.
[19] Carelse established himself as the Boland Cavaliers' first choice fly-half for the 2016 Currie Cup qualification competition, appearing in all fourteen of their matches and starting ten of those.
[22] It proved to be a successful campaign under new head coach Brent Janse van Rensburg, with Boland finishing in third position in the competition[23] to qualify for the Premier Division for the first time since 2009.