Taking the local weather in São Pedro do Butiá into account can help you maximise your time at the pool during your trip. The hottest months are usually January and February, with an average temperature of 25°C, while the coldest months are July and June, with an average of 15°C. The rainiest months in São Pedro do Butiá are October, November, January and September, with each month seeing an average of 219 mm of rainfall.