Weather is probably a major factor when you plan your trip to Ribeirão Preto, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually September and October, with an average temperature of 24°C, while the coldest months are June and July, with an average of 20°C. The rainiest months in Ribeirão Preto are January, December, November and February, with each month seeing an average of 225 mm of rainfall.