SwimTemperature logoSwimTemperature
Open live map
Seasonal ranking

Warmest sea temperature in Thailand in May

Where the sea is warmest across Thailand during May, ranked by long-term monthly average water temperature. Patong Beach (Phuket, Thailand) tops the list at around 30°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Patong Beach
    Phuket · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  2. 2
    Kata Beach
    Phuket · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  3. 3
    Karon Beach
    Phuket · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  4. 4
    Surin Beach
    Phuket · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  5. 5
    Kamala Beach
    Phuket · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  6. 6
    Nai Harn Beach
    Phuket · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  7. 7
    Railay Beach
    Krabi · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  8. 8
    Maya Bay
    Krabi · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  9. 9
    Chaweng Beach
    Surat Thani · Thailand · Gulf of Thailand
    Warm — comfortable swimming
    30°C
    May average
  10. 10
    Haad Rin
    Surat Thani · Thailand · Gulf of Thailand
    Warm — comfortable swimming
    30°C
    May average
  11. 11
    Sairee Beach
    Surat Thani · Thailand · Gulf of Thailand
    Warm — comfortable swimming
    30°C
    May average
  12. 12
    Hua Hin Beach
    Prachuap Khiri Khan · Thailand · Gulf of Thailand
    Warm — comfortable swimming
    30°C
    May average
  13. 13
    Pattaya Beach
    Chonburi · Thailand · Gulf of Thailand
    Warm — comfortable swimming
    30°C
    May average
  14. 14
    Nai Harn Beach
    Phuket · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  15. 15
    Klong Dao Beach
    Krabi · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  16. 16
    Maya Bay
    Phi Phi Islands · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  17. 17
    Klong Dao Beach
    Ko Lanta · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  18. 18
    Charlie Beach
    Trang & Satun · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  19. 19
    Ko Kradan Beach
    Trang & Satun · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  20. 20
    Pattaya Beach Lipe
    Trang & Satun · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  21. 21
    Donald Duck Bay
    Ko Similan · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  22. 22
    Nang Thong Beach
    Khao Lak · Thailand · Andaman Sea
    Warm — comfortable swimming
    30°C
    May average
  23. 23
    Chaweng Beach
    Ko Samui · Thailand · Gulf of Thailand
    Warm — comfortable swimming
    30°C
    May average
  24. 24
    Haad Rin Beach
    Ko Pha-ngan · Thailand · Gulf of Thailand
    Warm — comfortable swimming
    30°C
    May average
  25. 25
    Sairee Beach
    Ko Tao · Thailand · Gulf of Thailand
    Warm — comfortable swimming
    30°C
    May average

Warmest sea in May elsewhere

EuropeNorth AmericaSouth AmericaAsiaAfricaOceaniaUnited StatesUnited KingdomAustraliaSpainItalyFranceGreeceMexicoPortugalNew ZealandCanadaCroatiaIrelandIndonesiaBrazilPhilippinesPolandSwedenDenmarkTurkeyJapanGermanyNorway

Thailand in May — frequently asked questions

Where is the sea warmest in Thailand in May?
Patong Beach in Thailand has the warmest sea in Thailand in May, averaging about 30.0 °C. Kata Beach (30.0 °C) and Karon Beach follow close behind.
How many beaches in Thailand are warm enough to swim in May?
25 of the top 25 ranked beaches in Thailand average 22 °C or more in May, which most swimmers find comfortable without a wetsuit.
How are these May sea temperatures calculated?
Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical May 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

United StatesUnited KingdomAustraliaSpainItalyFranceGreeceMexicoPortugalNew ZealandCanadaCroatiaIrelandThailandIndonesiaBrazilPhilippinesPolandSwedenDenmarkTurkeyJapanGermanyNorwayNetherlandsCyprusBulgariaIndiaSouth AfricaEgyptDominican RepublicSri LankaAll destinations →

Coastal region hubs

New South WalesSardiniaAlgarveAquitaineCornwallSicilyWestern AustraliaTuscanyVictoriaBaliNorth IslandLanguedocLiguriaBrittanyIstriaSilver CoastPacific CoastApuliaBritish ColumbiaCosta del SolDevonNova ScotiaGaliciaMallorca

Water temperature today by city

LondonManchesterBirminghamEdinburghGlasgowDublinParisLyonToulouseBordeauxMadridBarcelonaSevilleLisbonPortoRomeMilanFlorenceNaplesBerlin

Warmest sea in August

EuropeNorth AmericaSouth AmericaAsiaAfricaOceaniaUnited StatesUnited KingdomAustraliaSpainItalyFranceGreeceMexicoPortugalNew ZealandCanadaCroatiaIrelandThailandWarmest right now →

Warmest sea month by month (Europe)

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Popular beach comparisons

Platja d'Aro vs Platja de Sant PolCala Sa Tuna vs AiguablavaCala Pola vs Platja GranCala Montjoi vs Platja de PalsPlatja de Pals vs Cala Sa TunaCala Estreta vs Platja d'AroPlatja de Lloret vs Platja GranPlatja de la Pineda vs Salou LevantePlatja Llarga vs Platja del MiracleCambrils Playa vs Salou LevantePlaya del Postiguet vs Playa de San JuanPlaya de San Juan vs Playa del Postiguet SurPlaya de Levante vs Playa de PonienteCala Finestrat vs Playa de PonientePlaya del Albir vs Playa de LevantePlaya de la Fossa vs Cala BaladrarCala el Portet vs Cala del MoraigPlaya del Arenal vs Cala GranadellaCompare any two beaches →

Freshwater swimming

All lake water temperatures (525)Live lake mapCompare lakesRivers & swimming holesLive sea temperature mapSwimming guides

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

Warmest sea this month

europenorth americaasiaoceania