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Seasonal ranking

Warmest sea temperature in North America in December

Where the sea is warmest across North America during December, ranked by long-term monthly average water temperature. Playa Tamarindo (Guanacaste, Costa Rica) tops the list at around 28°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Playa Tamarindo
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  2. 2
    Playa Conchal
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  3. 3
    Playa Flamingo
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  4. 4
    Playa Hermosa CR
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  5. 5
    Playa Samara
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  6. 6
    Playa Nosara
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  7. 7
    Santa Teresa Beach
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  8. 8
    Mal Pais Beach
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  9. 9
    Montezuma Beach
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  10. 10
    Manuel Antonio Beach
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  11. 11
    Playa Dominical
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  12. 12
    Playa Uvita
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  13. 13
    Playa Bonita Panama
    Panama · Panama · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  14. 14
    Playa Blanca Panama
    Cocle · Panama · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  15. 15
    Playa Venao
    Los Santos · Panama · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  16. 16
    Playa Maderas
    Rivas · Nicaragua · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  17. 17
    Playa Popoyo
    Rivas · Nicaragua · Pacific Ocean
    Warm — comfortable swimming
    28°C
    December average
  18. 18
    Seven Mile Beach Negril
    Westmoreland · Jamaica · Caribbean Sea
    Warm — comfortable swimming
    27°C
    December average
  19. 19
    Doctor's Cave Beach
    Saint James · Jamaica · Caribbean Sea
    Warm — comfortable swimming
    27°C
    December average
  20. 20
    Frenchman's Cove
    Portland · Jamaica · Caribbean Sea
    Warm — comfortable swimming
    27°C
    December average
  21. 21
    James Bond Beach
    Saint Mary · Jamaica · Caribbean Sea
    Warm — comfortable swimming
    27°C
    December average
  22. 22
    Bavaro Beach
    La Altagracia · Dominican Republic · Atlantic Ocean
    Warm — comfortable swimming
    27°C
    December average
  23. 23
    Playa Rincon
    Samana · Dominican Republic · Atlantic Ocean
    Warm — comfortable swimming
    27°C
    December average
  24. 24
    Playa Dorada
    Puerto Plata · Dominican Republic · Atlantic Ocean
    Warm — comfortable swimming
    27°C
    December average
  25. 25
    Cabarete Beach
    Puerto Plata · Dominican Republic · Atlantic Ocean
    Warm — comfortable swimming
    27°C
    December average

Warmest sea in December elsewhere

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North America in December — frequently asked questions

Where is the sea warmest in North America in December?
Playa Tamarindo in Costa Rica has the warmest sea in North America in December, averaging about 28.0 °C. Playa Conchal (28.0 °C) and Playa Flamingo follow close behind.
How many beaches in North America are warm enough to swim in December?
25 of the top 25 ranked beaches in North 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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