Taking into account the local weather in Santa Izabel do Oeste can help you maximize your time at the pool during your trip. The hottest months are usually January and December with an average temp of 73°F, while the coldest months are July and June with an average of 60°F. The rainiest months in Santa Izabel do Oeste are October, December, January, and November, with each month seeing an average of 9 inches of rainfall.