Regional Temperature Trends in Brazil : A Climatic Overview Abstract Brazil's vast territory encompasses five distinct climatic subtypes, leading to significant temperature variations across the country. While often characterized as a purely tropical nation, Brazil's average temperatures are influenced by latitude, altitude, and proximity to the coast. This report synthesizes average temperature data to provide a comprehensive look at the Brazilian thermal landscape. 1. Introduction Brazil is the largest country in South America, spanning from the equatorial north to the temperate south. Because of this geographic reach, there is no single "average temperature" for the entire nation. Instead, the climate is divided into Equatorial, Tropical, Semi-arid, Highland Tropical, and Subtropical zones. 2. Temperature by Major Region Average temperatures in Brazil vary primarily based on their position relative to the Tropic of Capricorn . Northern Brazil (Equatorial): Regions like the Amazon rainforest maintain high, consistent temperatures year-round. Annual Average: 2

National Institute of Meteorology (INMET) in collaboration with INPE. Data sources: INMET automatic stations (2000–2025), ERA5 reanalysis, IPCC AR6. Next update: Quarterly anomaly report (July 2026).

He put up three slides side by side: The steaming Amazon basin, the arid Sertão, and the frosty vineyards of the South.

"This region defies your average," Mariana shouted over the wind as they drove through a dusty landscape of scrub brush and cacti.

Because Brazil is in the Southern Hemisphere, its seasons are the reverse of North America and Europe. Summer runs from December to March, and winter from June to September. Brazil Weather by Month | SA Vacations

"Your average temperature is rising," Mariana said softly. "A one-degree shift in the average here doesn't mean a slightly warmer afternoon. It means the forest breathes differently. It means the rainfall cycles that water the soybeans you are pitching to the board are failing. An average temperature in the Amazon is a measure of planetary health."

| City | State | Avg Annual Temp (°C) | Jan Avg (°C) | July Avg (°C) | |------|-------|---------------------|--------------|---------------| | Manaus | AM | 27.6 | 27.1 | 28.0 | | Recife | PE | 26.5 | 27.0 | 25.0 | | Brasília | DF | 21.8 | 22.4 | 19.5 | | Rio de Janeiro | RJ | 24.1 | 26.5 | 21.5 | | São Paulo | SP | 19.8 | 22.0 | 17.0 | | Curitiba | PR | 17.5 | 20.5 | 13.5 | | Porto Alegre | RS | 19.5 | 24.0 | 14.5 |