Rio Heatwave Leads Brazil With 41°C Peak as City Stays on Calor 3 Alert

Overview

• The national high on Monday reached 41.0°C in Seropédica, while Rio’s Vila Militar logged 40.8°C after 39.7°C on Sunday, according to Inmet.
• Nine of Brazil’s ten highest temperatures on Monday were in Rio de Janeiro state, with Picos, Piauí, the only city outside the state on the list.
• Rio remains at Calor 3 under its municipal heat protocol, a pre-warning tier triggered by sustained 36°C to 40°C conditions expected to persist or rise for at least three days.
• Overnight, residents and tourists sought relief at beaches such as Arpoador, with early-morning images showing crowds cooling off by the sea.
• Utility responses included Light working to restore service after localized outages in multiple neighborhoods and Cedae maintaining hydration posts with plans to distribute more than 5,000 liters of water.