Seasonal ranking

Warmest sea temperature in North America in January

Where the sea is warmest across North America during January, ranked by long-term monthly average water temperature. Playa Flamingo (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 Flamingo
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  2. 2
    Playa Hermosa CR
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  3. 3
    Playa Samara
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  4. 4
    Playa Nosara
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  5. 5
    Playa Avellanas
    Guanacaste · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  6. 6
    Santa Teresa Beach
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  7. 7
    Mal Pais Beach
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  8. 8
    Montezuma Beach
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  9. 9
    Manuel Antonio Beach
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  10. 10
    Playa Dominical
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  11. 11
    Playa Uvita
    Puntarenas · Costa Rica · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  12. 12
    Playa Bonita Panama
    Panama · Panama · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  13. 13
    Playa Blanca Panama
    Cocle · Panama · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  14. 14
    San Juan del Sur Beach
    Rivas · Nicaragua · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  15. 15
    Playa Popoyo
    Rivas · Nicaragua · Pacific Ocean
    Warm — comfortable swimming
    28°C
    January average
  16. 16
    Boston Bay
    Portland · Jamaica · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average
  17. 17
    James Bond Beach
    Saint Mary · Jamaica · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average
  18. 18
    Seven Mile Beach
    Westmoreland · Jamaica · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average
  19. 19
    Doctor's Cave Beach
    Saint James · Jamaica · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average
  20. 20
    Treasure Beach
    Saint Elizabeth · Jamaica · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average
  21. 21
    Reduit Beach
    Gros Islet · Saint Lucia · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average
  22. 22
    Anse Chastanet
    Soufriere · Saint Lucia · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average
  23. 23
    Marigot Bay Beach
    Castries · Saint Lucia · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average
  24. 24
    Vigie Beach
    Castries · Saint Lucia · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average
  25. 25
    Grand Anse Beach
    Saint George · Grenada · Caribbean Sea
    Warm — comfortable swimming
    27°C
    January average

Warmest sea in January elsewhere

North America in January — frequently asked questions

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

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