Taking into account the local weather in Sao Jose do Vale do Rio Preto is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually February and January with an average temp of 72°F, while the coldest months are July and August with an average of 64°F. The rainiest months in Sao Jose do Vale do Rio Preto are December, November, January, and March, with each month seeing an average of 13 inches of rainfall.