45% of the Guará Area of Relevant Ecological Interest, created in 2008. Climate According to the Köppen climate classification, Iguape has a humid subtropical climate (Cfa) that closely borders the tropical rainforest climate (Af). Summers are warm, humid and rainy, whilst winters are noticeably cooler and somewhat drier, although there is no true dry season. The mean temperature is and the mean annual rainfall is . References Populated places established in 1538 Populated coastal places in São Paulo (state) 1538 establishments in the Portuguese Empire Municipalities in São Paulo (state)