There's nothing like an all-inclusive holiday in La Somone to rejuvenate you, especially when you know what kind of weather to expect. Here's some information to help you decide when to book: The hottest months are usually November and March, with an average temperature of 27°C, while the coldest months are February and January, with an average of 25°C. January and April are the driest months, while August and September are the rainiest months.