Taking the local weather in Sao Joao do Ivai 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 December and January, with an average temperature of 23°C, while the coldest months are July and June, with an average of 17°C. The rainiest months in Sao Joao do Ivai are October, December, January and February, with each month seeing an average of 191 mm of rainfall.