OuanganiOuangani is a commune in the French overseas department of Mayotte, in the Indian Ocean.GeographyClimateOuangani has a tropical savanna climate. The average annual temperature in Ouangani is. The average annual rainfall is with January as the wettest month. The temperatures are highest on average in January, at around, and lowest in August, at around. The highest temperature ever recorded in Ouangani was on 6 October 1999; the coldest temperature ever recorded was on 21 September 2001.