Brazil Enters Autumn With Summerlike Heat as Coastal El Niño Delays Cold

Overview

• Through the first weekend of the season, heat persists across much of the country while a cold front brings storms and heavy rain to Rio Grande do Sul.
• Belo Horizonte recorded more than 53 mm of rain, and civil defense placed four areas under geological risk alerts for landslides.
• In São Paulo, Friday’s variable clouds and showers give way to a warmer, mostly dry weekend near 30–31°C before a slight cooldown early next week.
• Seasonal outlooks from meteorological agencies indicate temperatures staying above average through April, with more notable cooling expected from late April into May and stronger polar air intrusions possible in May–June.
• Regional guidance highlights irregular rain and lingering heat in the Center-West, frequent afternoon storms in the North, and increased maritime swell along the São Paulo coast during the season.