Serra dos Órgãos National Park is one of several regions in Brazil, with temperatures that range from 25°C (77°F) in July to 31°C (88°F) during the peak of February. We've based our full climate overview on data from Petrópolis, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Serra dos Órgãos National Park, the months of May, June, July, August and September bring pleasant weather, with average temperatures ranging between 25°C (77°F) and 27°C (81°F).
January and February are generally the hottest months of the year.
When it comes to rainfall, Serra dos Órgãos National Park sees significant variations throughout the year. January tends to be the wettest, receiving 322 mm (13 in) of rain, while July is much drier with just 46 mm (1.8 in). Travelers should note that the rainy season falls during January, February, March, November and December, bringing substantial precipitation ranging from 254 mm (10 in) to 322 mm (13 in) monthly.
Visitors hoping to maximize their time in the sun should consider planning their trip for January, when daylight hours are at their peak.