Planning for the weather is a good way to make your trip to Chapadao do Sul relaxing and enjoyable, especially when you're splurging. The hottest months are usually September and October, with an average temperature of 25°C, while the coldest months are June and July, with an average of 22°C. The rainiest months in Chapadao do Sul are December, February, January and March, with each month seeing an average of 252 mm of rainfall.