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Miami atingiu 100 °F (37,8 °C) em 18 de agosto de 2026, durante um episódio de calor extremo. Foto: Carolina Alvarez / Pexels.


North America
NORTH AMERICA -------------------------------3311NEWS STORY

Miami Sob 100 °F: Quando O Calor Começa A Mudar A Cidade Mágica

O calor extremo revela uma nova realidade para Miami: temperaturas mais altas, maior umidade e novos desafios para o turismo.

Miami atingiu 100 °F (37,8 °C) em 18 de agosto, enquanto o índice de calor chegou a aproximadamente 107 °F (41,7 °C). O recorde chamou atenção, mas a questão mais importante está no que acontece ao redor dele: a cidade está enfrentando períodos de calor intenso com maior frequência e por períodos mais longos.

Segundo a Climate Central, Miami registra atualmente aproximadamente 44 dias adicionais de verão com temperaturas acima do normal em comparação com a década de 1970. As temperaturas médias durante junho, julho e agosto aumentaram cerca de 2,6 °F (1,4 °C) no mesmo período.

Mas é a umidade que torna essa mudança ainda mais significativa. Miami passou de aproximadamente 50 dias por ano de calor perigosamente úmido na década de 1970 para 117 dias entre 2016 e 2025. Essa combinação de calor e umidade pode dificultar o resfriamento natural do corpo e aumentar o risco de problemas relacionados ao calor.

Para uma cidade movida pelo turismo, as consequências são concretas.

O calor começa a mudar a experiência do visitante

Miami depende de atividades realizadas justamente nos locais onde as pessoas ficam mais expostas: praias, passeios à beira-mar, esportes aquáticos, restaurantes ao ar livre, passeios urbanos, eventos e excursões.

Quando as condições térmicas se tornam extremas, essas atividades não necessariamente desaparecem, mas podem mudar de horário. Uma excursão que antes começava ao meio-dia pode se tornar mais atraente nas primeiras horas da manhã. Um passeio urbano pode exigir mais pausas. Operadores turísticos podem precisar ampliar o acesso à água, sombra e espaços climatizados.

O impacto também chega à infraestrutura. Temperaturas mais elevadas aumentam a demanda por ar-condicionado em hotéis, residências, restaurantes, lojas e sistemas de transporte. Durante uma onda de calor, essa demanda cresce justamente quando as condições ambientais exercem maior pressão sobre os sistemas elétricos.

Para quem trabalha ao ar livre, o desafio é ainda mais direto. Construção, manutenção, serviços turísticos, transporte e outras atividades podem envolver longos períodos de exposição. O risco aumenta quando o calor extremo se combina com alta umidade e jornadas prolongadas.

Miami também não está enfrentando esse fenômeno de forma isolada. Durante a onda de calor de agosto, mais de 72 milhões de pessoas estavam sob alertas de calor em diferentes regiões dos Estados Unidos. Algumas localidades de Oklahoma chegaram a 112 °F (44,4 °C).

Miami, porém, apresenta uma vulnerabilidade particular: sua economia e sua identidade internacional estão estreitamente ligadas ao clima. A cidade não pode simplesmente se proteger do calor; precisa continuar funcionando e recebendo visitantes dentro dessas condições.

Isso transforma a adaptação em uma questão econômica, além de ambiental.

Hotéis, restaurantes e operadores turísticos podem precisar ajustar horários, melhorar sistemas de climatização, criar mais espaços internos e preparar protocolos específicos para os dias mais quentes. Os visitantes, por sua vez, poderão precisar considerar cada vez mais tanto a temperatura quanto o índice de calor ao planejar atividades que antes dependiam principalmente da chuva, dos furacões ou da alta temporada.

A mudança também pode alterar a atratividade de determinadas atividades. Atrações internas com ar-condicionado podem ganhar importância durante o meio do dia, enquanto praias, parques e passeios ao ar livre podem concentrar visitantes nas primeiras horas da manhã e após o pôr do sol.

Isso não significa que Miami deixará de ser um destino de praia. Significa que o clima que ajudou a construir sua identidade turística está criando novas condições para que essa identidade seja vivenciada.

O episódio de 100 °F é, portanto, menos importante pelo número em si do que pelo que ele revela. Uma cidade acostumada ao calor está tendo de se adaptar a uma combinação de temperaturas mais elevadas e umidade crescente que pode afetar a saúde, a infraestrutura, o trabalho e o turismo.

Para os viajantes, a pergunta começa a mudar. Já não se trata apenas de saber se Miami terá um clima agradável durante as férias, mas quando será realmente confortável e seguro aproveitar a cidade ao ar livre.

Essa pode parecer uma pequena mudança no planejamento de uma viagem. Para uma cidade cuja economia depende de milhões de visitantes, porém, pode se transformar em uma questão muito maior.

By Heydi Bernal for Ruta Pantera on 8/20/2026 1:11:24 PM

×
References:
CNN. (2026, 19 de agosto). Miami hit an all-time record on Tuesday. It’s more significant than you think. CNN.
Climate Central. (2026). Climate trends and extreme heat in Miami. Climate Central.
National Weather Service. (2026, 18 de agosto). Miami reaches 100°F for only the second time in recorded history. National Weather Service.
CBS News Miami. (2026, 18 de agosto). Miami hits 100 degrees, tying all-time record high temperature held since 1942. CBS News Miami.


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