There’s nothing like an all-inclusive vacation in Anjajavy to rejuvenate you, especially when you know what kind of weather to expect. Here’s some info to help you choose when to book: The hottest months are usually October and November with an average temp of 80°F, while the coldest months are July and August with an average of 77°F. July and September are the driest months while January and February are the rainiest months.