Taking into account the local weather in Hienghene is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually February and January with an average temp of 77°F, while the coldest months are August and September with an average of 69°F. The rainiest months in Hienghene are March, January, February, and April, with each month seeing an average of 7 inches of rainfall.