Planning for the weather is a good way to make your trip to Arazato relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 28°C, while the coldest months are January and February, with an average of 20°C. The rainiest months in Arazato are August, May, September and June, with each month seeing an average of 272 mm of rainfall.