Seasonal ranking
Coldest sea temperature in Sri Lanka in August
Where the sea is coolest across Sri Lanka during August, ranked by long-term monthly average water temperature. Hiriketiya Beach (Southern, Sri Lanka) is the coolest at around 20°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1Hiriketiya BeachSouthern · Sri Lanka · Indian OceanMild — fine for a swim, cool at first20°CAugust average
- 2Mirissa BeachSouthern · Sri Lanka · Indian OceanMild — fine for a swim, cool at first20°CAugust average
- 3Unawatuna BeachSouthern · Sri Lanka · Indian OceanMild — fine for a swim, cool at first20°CAugust average
- 4Bentota BeachGalle · Sri Lanka · Indian OceanMild — fine for a swim, cool at first20°CAugust average
- 5Arugam BayEastern · Sri Lanka · Indian OceanMild — fine for a swim, cool at first20°CAugust average
- 6Nilaveli BeachEastern · Sri Lanka · Indian OceanMild — fine for a swim, cool at first20°CAugust average
- 7Hikkaduwa BeachSouthern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CAugust average
- 8Pasikuda BeachEastern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CAugust average
- 9Tangalle BeachSouthern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CAugust average
- 10Weligama BeachSouthern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CAugust average
- 11Negombo BeachWestern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CAugust average
- 12Mount Lavinia BeachWestern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CAugust average
Coldest sea in August elsewhere
EuropeNorth AmericaSouth AmericaAsiaAfricaOceaniaUnited StatesUnited KingdomAustraliaItalySpainFranceGreeceMexicoPortugalNew ZealandCroatiaCanadaIrelandThailandIndonesiaPhilippinesBrazilSwedenPolandDenmarkNorwayTurkeyNetherlandsGermanyBulgariaJapanCyprusEgyptIndiaSouth AfricaDominican RepublicRomaniaCosta RicaMaltaPuerto RicoBahamasBelgiumBarbadosSouth KoreaVietnamJamaicaUnited Arab EmiratesOmanUS Virgin IslandsAntigua and BarbudaPanamaFinlandMalaysiaCuracaoArgentinaChileColombiaIsraelTanzaniaMoroccoTunisiaTurks and CaicosFijiArubaAlbaniaUruguayPeruMaldivesMauritiusBelizeNicaraguaSaint LuciaCubaMozambiqueFrench PolynesiaBonaireHondurasFrench RivieraAlgarveAmalfi CoastCosta BravaGreek IslandsDalmatian CoastFlorida KeysGreat Barrier Reef CoastCaliforniaFloridaHawaiiNew JerseyNorth CarolinaMassachusettsSouth CarolinaTexasNew YorkPuerto RicoMaineOregonMichiganGeorgiaWashington
Sri Lanka in August — frequently asked questions
- Where is the sea coldest in Sri Lanka in August?
- Hiriketiya Beach in Sri Lanka has the coldest sea in Sri Lanka in August, averaging about 20.0 °C. Mirissa Beach (20.0 °C) and Unawatuna Beach are the next coolest.
- How many beaches in Sri Lanka are warm enough to swim in August?
- 6 of the top 12 ranked beaches in Sri Lanka average 22 °C or more in August, which most swimmers find comfortable without a wetsuit.
- How are these August sea temperatures calculated?
- Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical August 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