May is a good month to dive in Thailand. Conditions are reliable, with comfortable water temperatures and solid marine life action.
Season rating
Good season
Water temperature
28–30°C · 82–86°F
Conditions in
May
What you might see
Year-round overview for Thailand
Frequently asked questions
Is May a good month to dive in Thailand?
May in Thailand is rated as good season. Water temperatures are around 28–30°C and conditions are usually suitable for liveaboard trips.
What can you see diving in Thailand in May?
In May, divers in Thailand typically encounter the marine life highlighted on this page, with seasonal aggregations depending on currents, plankton blooms and breeding cycles.
Should I book a Thailand liveaboard for May or wait?
If you want this month's specific marine life and conditions, book early — peak departures fill up months ahead. If you are flexible, compare April and June which often share similar conditions.
Best time to dive · May
the MaldivesEgyptIndonesiathe Philippinesthe GalápagosMexicothe BahamasBelizethe Cayman IslandsCosta Rica (Cocos)FijiAlorAntarcticaAustraliaBalithe Banda SeaCubaDjiboutithe Dominican RepublicFrench PolynesiaHondurasKomodoMadagascarMicronesiaPapua New GuineaPortugal (Azores)Raja AmpatSaudi Arabia (Red Sea)the Seychellesthe Solomon IslandsSt. Maarten / SabaTurkeyTurks & Caicos