You'll likely spend much of your trip indoors, but if you want to see more of the area, taking a look at local weather data can help you. The hottest months are usually September and October with an average temp of 68°F, while the coldest months are July and June with an average of 61°F. The rainiest months in Sao Lourenco are December, January, November, and February, with each month seeing an average of 8 inches of rainfall.