OpoaOpoa is a village on the island of Raiatea, in French Polynesia. According to the 2022 census, it had a population of 1,205.GeographyClimateOpoa has a tropical rainforest climate. The average annual temperature in Opoa is. The average annual rainfall is with December as the wettest month. The temperatures are highest on average in March, at around, and lowest in August, at around. The highest temperature ever recorded in Opoa was on 12 January 1998; the coldest temperature ever recorded was on 13 September 2002.