Planning for the weather is a good way to make your trip to Porto Feliz relaxing and enjoyable, especially when you’re splurging. The hottest months are usually December and September, with an average temperature of 23°C, while the coldest months are July and June, with an average of 18°C. The rainiest months in Porto Feliz are January, December, November and February, with each month seeing an average of 204 mm of rainfall.