There's nothing like an all-inclusive holiday in Tikehau to rejuvenate you, especially when you know what to expect from the elements. Here's some information to help you decide when to book: The hottest months are usually March and April, with an average temperature of 28°C, while the coldest months are August and September, with an average of 26°C. August and July are the driest months, while February and January are the rainiest months.