In Brazil |work| | Season

| Season | Months (approx.) | Meteorological Characteristics | | :--- | :--- | :--- | | | December – March | High heat, high humidity, intense convective rainfall (thunderstorms), risk of flooding. | | Autumn | April – May | Gradual cooling, first dry spells in the interior, fog in the South. | | Winter | June – September | Coldest temperatures (especially South), peak of the dry season in the tropics, frost risk in the South. | | Spring | October – November | Rising temperatures, return of rainfall, strong winds and occasional hail. |

| City | Summer (Dec-Feb) | Winter (Jun-Aug) | | :--- | :--- | :--- | | Manaus (Amazon) | Very hot, heavy rain | Warm, less rain | | Salvador (NE Coast) | Hot, humid | Warm, pleasant | | Brasília (Central) | Rainy, thunderstorms | Dry, cool nights | | São Paulo (SE) | Rainy, humid (22-28°C) | Dry, mild (12-20°C) | | Porto Alegre (South) | Hot, storms (22-32°C) | Cold, foggy (8-18°C) | season in brazil

The seasons are defined by flood and ebb. The Summer (wet) transforms the Pantanal into a vast flooded plain, while Winter (dry) is extremely dry, with relative humidity dropping below 20%. The Brazilian "winter" here is a desert-like season. | Season | Months (approx