Seasonal ranking
Coldest sea temperature in Costa Rica in January
Where the sea is coolest across Costa Rica during January, ranked by long-term monthly average water temperature. Playa Hermosa Guanacaste (Guanacaste, Costa Rica) is the coolest at around 20°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1Playa Hermosa GuanacasteGuanacaste · Costa Rica · Pacific OceanMild — fine for a swim, cool at first20°CJanuary average
- 2Playa TamarindoGuanacaste · Costa Rica · Pacific OceanMild — fine for a swim, cool at first20°CJanuary average
- 3Playa ConchalGuanacaste · Costa Rica · Pacific OceanMild — fine for a swim, cool at first20°CJanuary average
- 4Puerto Viejo BeachLimon · Costa Rica · Caribbean SeaWarm — comfortable swimming26°CJanuary average
- 5Playa ManzanilloLimon · Costa Rica · Caribbean SeaWarm — comfortable swimming26°CJanuary average
- 6Cahuita BeachLimon · Costa Rica · Caribbean SeaWarm — comfortable swimming26°CJanuary average
- 7Playa FlamingoGuanacaste · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
- 8Playa Hermosa CRGuanacaste · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
- 9Playa SamaraGuanacaste · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
- 10Playa NosaraGuanacaste · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
- 11Santa Teresa BeachPuntarenas · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
- 12Mal Pais BeachPuntarenas · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
- 13Montezuma BeachPuntarenas · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
- 14Manuel Antonio BeachPuntarenas · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
- 15Playa DominicalPuntarenas · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
- 16Playa UvitaPuntarenas · Costa Rica · Pacific OceanWarm — comfortable swimming28°CJanuary average
Coldest sea in January elsewhere
EuropeNorth AmericaSouth AmericaAsiaAfricaOceaniaUnited StatesUnited KingdomAustraliaItalySpainFranceGreeceMexicoPortugalNew ZealandCroatiaCanadaIrelandThailandIndonesiaPhilippinesBrazilSwedenPolandDenmarkNorwayTurkeyNetherlandsGermanyBulgariaJapanCyprusEgyptIndiaSouth AfricaDominican RepublicRomaniaMaltaPuerto RicoBahamasBelgiumBarbadosSouth KoreaVietnamJamaicaSri LankaUnited Arab EmiratesOmanUS Virgin IslandsAntigua and BarbudaPanamaFinlandMalaysiaCuracaoArgentinaChileColombiaIsraelTanzaniaMoroccoTunisiaTurks and CaicosFijiArubaAlbaniaUruguayPeruMaldivesMauritiusBelizeNicaraguaSaint LuciaCubaMozambiqueFrench PolynesiaBonaireHondurasFrench RivieraAlgarveAmalfi CoastCosta BravaGreek IslandsDalmatian CoastFlorida KeysGreat Barrier Reef CoastCaliforniaFloridaHawaiiNew JerseyNorth CarolinaMassachusettsSouth CarolinaTexasNew YorkPuerto RicoMaineOregonMichiganGeorgiaWashington
Costa Rica in January — frequently asked questions
- Where is the sea coldest in Costa Rica in January?
- Playa Hermosa Guanacaste in Costa Rica has the coldest sea in Costa Rica in January, averaging about 20.0 °C. Playa Tamarindo (20.0 °C) and Playa Conchal are the next coolest.
- How many beaches in Costa Rica are warm enough to swim in January?
- 13 of the top 16 ranked beaches in Costa Rica 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.
Explore every sea temperature page
Jump straight to a country, coastal region, city, seasonal ranking or comparison.
Sea temperature by country
Coastal region hubs
Water temperature today by city
Warmest sea in August
Warmest sea month by month (Europe)
Coldest sea this month
Swimming guides
The best time to swim in the MediterraneanWhat sea temperature is safe to swim in?Swimming with kids: the best European beachesHow sea-surface temperature data actually worksWhat sea temperature is good for snorkelling?The best time to swim in SpainThe best time to swim in GreeceThe best time to swim in CroatiaThe best time to swim in FloridaThe best time to swim in CaliforniaThe best time to swim in AustraliaA beginner's guide to cold-water swimmingWarmest European beaches in OctoberFamily beach safety tips for every swimmerWetsuit guide: what to wear by water temperatureThe best time to swim in the CaribbeanThe best time to swim in MexicoThe best time to swim in ThailandThe best time to swim in PortugalThe best time to swim in TurkeyThe best time to swim in EgyptThe best time to swim in FranceThe best time to swim in ItalyBest beaches for snorkelling around the worldBest beaches for surfing by water temperatureHow to survive a rip currentJellyfish and marine life safety for swimmersHow to read a water temperature forecastLake Michigan water temperature: what to expectBest lakes to swim in the United StatesGreat Lakes swimming guideThe best time to swim in HawaiiThe best time to swim in the MaldivesThe best time to swim in Bali
Popular beach comparisons
Cala Estreta vs Platja d'AroCala Estreta vs Cala Sa TunaCala Pola vs Platja de LloretPlatja de Sant Pol vs Platja GranCala Montjoi vs Platja de PalsCala Pola vs Platja de Sant PolCala Estreta vs Platja de PalsAiguablava vs Cala EstretaCambrils Playa vs Platja de la PinedaPlatja de la Pineda vs Platja LlargaPlatja del Miracle vs Salou LevantePlaya del Carabassí vs Playa del PostiguetPlaya de San Juan vs Playa del CarabassíPlaya de la Fossa vs Playa de LevantePlaya de la Fossa vs Playa de PonienteCala Finestrat vs Playa del AlbirCala el Portet vs Playa de la FossaCala del Moraig vs Playa del ArenalCompare any two beaches →
Freshwater swimming
Keep exploring
Live sea temperature mapEvery coast, updated hourlyWarmest beaches todayLive ranking right nowCompare two beachesSide-by-side swim conditionsLake water temperaturesFreshwater swimming spotsRivers & swimming holesWild swimming conditionsAll destinationsBrowse by country & region