There’s nothing like an all-inclusive holiday in Barra de Santo Antonio to revive you, especially when you know what kind of weather to expect. Here’s some information to help you choose when to book: The hottest months are usually March and February, with an average temperature of 26°C, while the coldest months are August and September, with an average of 23°C. December and October are the driest months, while June and May are the rainiest months.