Seasonal ranking
Coldest sea temperature in Hawaii in December
Where the sea is coolest across Hawaii during December, ranked by long-term monthly average water temperature. Big Beach (Maui, United States) is the coolest at around 19°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1Big BeachMaui · United States · Pacific OceanMild — fine for a swim, cool at first19°CDecember average
- 2Hamoa BeachMaui · United States · Pacific OceanMild — fine for a swim, cool at first19°CDecember average
- 3Diamond Head BeachOahu · United States · Pacific OceanMild — fine for a swim, cool at first19°CDecember average
- 4Little Beach MauiMaui · United States · Pacific OceanMild — fine for a swim, cool at first19°CDecember average
- 5Napili BayMaui · United States · Pacific OceanMild — fine for a swim, cool at first19°CDecember average
- 6Waimanalo BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 7Sunset BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 8Ko Olina LagoonsHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 9Kee BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 10Kua BayHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 11Hapuna BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 12Makalawena BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 13Poipu BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 14Lydgate BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 15Papohaku BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 16Lanikai BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 17Bellows BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 18Wailea BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 19Kapalua BayHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 20Hookipa BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 21Turtle BayHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 22Mokuleia BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 23Polihua BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 24Halawa BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
- 25Salt Pond BeachHawaii · United States · Pacific OceanWarm — comfortable swimming25°CDecember average
Coldest sea in December elsewhere
EuropeNorth AmericaSouth AmericaAsiaAfricaOceaniaUnited StatesUnited KingdomAustraliaItalySpainFranceGreeceMexicoPortugalNew ZealandCroatiaCanadaIrelandThailandIndonesiaPhilippinesBrazilSwedenPolandDenmarkNorwayTurkeyNetherlandsGermanyBulgariaJapanCyprusEgyptIndiaSouth AfricaDominican RepublicRomaniaCosta RicaMaltaPuerto RicoBahamasBelgiumBarbadosSouth KoreaVietnamJamaicaSri LankaUnited Arab EmiratesOmanUS Virgin IslandsAntigua and BarbudaPanamaFinlandMalaysiaCuracaoArgentinaChileColombiaIsraelTanzaniaMoroccoTunisiaTurks and CaicosFijiArubaAlbaniaUruguayPeruMaldivesMauritiusBelizeNicaraguaSaint LuciaCubaMozambiqueFrench PolynesiaBonaireHondurasFrench RivieraAlgarveAmalfi CoastCosta BravaGreek IslandsDalmatian CoastFlorida KeysGreat Barrier Reef CoastCaliforniaFloridaNew JerseyNorth CarolinaMassachusettsSouth CarolinaTexasNew YorkPuerto RicoMaineOregonMichiganGeorgiaWashington
Hawaii in December — frequently asked questions
- Where is the sea coldest in Hawaii in December?
- Big Beach in United States has the coldest sea in Hawaii in December, averaging about 19.0 °C. Hamoa Beach (19.0 °C) and Diamond Head Beach are the next coolest.
- How many beaches in Hawaii are warm enough to swim in December?
- 20 of the top 25 ranked beaches in Hawaii 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.
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