Taking the local weather in Céu Azul into account can help you maximise your time at the pool during your trip. The hottest months are usually December and January, with an average temperature of 25°C, while the coldest months are July and June, with an average of 18°C. The rainiest months in Céu Azul are October, January, December and February, with each month seeing an average of 223 mm of rainfall.