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Seasonal ranking

Warmest sea temperature in South America in December

Where the sea is warmest across South America during December, ranked by long-term monthly average water temperature. Copacabana (Rio de Janeiro, Brazil) tops the list at around 28°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Copacabana
    Rio de Janeiro · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  2. 2
    Praia do Forte
    Bahia · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  3. 3
    Porto de Galinhas
    Pernambuco · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  4. 4
    Praia de Boa Viagem
    Pernambuco · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  5. 5
    Praia do Futuro
    Ceará · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  6. 6
    Jericoacoara
    Ceará · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  7. 7
    Canoa Quebrada
    Ceará · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  8. 8
    Morro de São Paulo
    Bahia · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  9. 9
    Praia dos Carneiros
    Pernambuco · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  10. 10
    Maragogi
    Alagoas · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  11. 11
    Praia do Gunga
    Alagoas · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  12. 12
    Praia de Pajuçara
    Alagoas · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  13. 13
    Praia de Pipa
    Rio Grande do Norte · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  14. 14
    Ponta Negra
    Rio Grande do Norte · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  15. 15
    Genipabu
    Rio Grande do Norte · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  16. 16
    Búzios Geribá
    Rio de Janeiro · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  17. 17
    Cabo Frio Praia do Forte
    Rio de Janeiro · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  18. 18
    Arraial do Cabo Praia do Forno
    Rio de Janeiro · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  19. 19
    Praia de Guarujá
    São Paulo · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  20. 20
    Ilhabela Praia do Curral
    São Paulo · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  21. 21
    Ubatuba Praia Grande
    São Paulo · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  22. 22
    Paraty Praia do Pontal
    Rio de Janeiro · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  23. 23
    Fernando de Noronha Baia do Sancho
    Pernambuco · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  24. 24
    Praia de Maracajaú
    Rio Grande do Norte · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    28°C
    December average
  25. 25
    Praia do Forte Beach Florianópolis
    Santa Catarina · Brazil · Atlantic Ocean
    Warm — comfortable swimming
    26°C
    December average

Warmest sea in December elsewhere

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South America in December — frequently asked questions

Where is the sea warmest in South America in December?
Copacabana in Brazil has the warmest sea in South America in December, averaging about 28.0 °C. Praia do Forte (28.0 °C) and Porto de Galinhas follow close behind.
How many beaches in South America are warm enough to swim in December?
25 of the top 25 ranked beaches in South America average 22 °C or more in December, which most swimmers find comfortable without a wetsuit.
How are these December sea temperatures calculated?
Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical December rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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