Rio Logs Second Straight Day as Brazil’s Hottest Capital; Health Visits Surge as Slight Cool-Down Nears

Overview

• Rio led national temperatures on Sunday and Monday, reaching 40.8°C in Vila Militar, as Seropédica topped 41°C and nine of Brazil’s 10 highest readings were in Rio state, according to Inmet.
• Municipal monitoring counted 2,493 heat-related urgent and emergency attendances from Jan. 9–12, a 29.47% rise over the expected median, with dizziness, weakness and fainting most common.
• Forecasters expect only a modest drop of about 3–4°C on Wednesday and Thursday, with Inmet projecting Rio’s highs near 35°C and continued risk of isolated storms.
• The city remains at Calor 3 under its heat protocol, with authorities urging hydration, sun protection and limited sun exposure, and the state utility Cedae keeping hydration posts in the metro area.
• Light reported localized power instabilities affecting several neighborhoods early Tuesday and said crews were working to restore service as residents sought nighttime relief on city beaches.