Taking the local weather in Novo Airão into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually September and October, with an average temperature of 28°C, while the coldest months are April and June, with an average of 26°C. The rainiest months in Novo Airão are March, April, February and January, with each month seeing an average of 467 mm of rainfall.