Can you swim at Tonsai Beach in May? — 30.0°C water

Yes — ideal swimming weather
Average sea · May
30.0°C
Live water now
Recommended wetsuit
No wetsuit
tropical

Yes. Tonsai Beach averages 30.0°C in May — bath-warm by European standards and comfortable for all-day swimming, snorkelling and families.

Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Tonsai Beach live page for full conditions.

Best months to swim
January · February · March · April · May · June · July · August · September · October · November · December

Frequently asked questions

What is the average sea temperature at Tonsai Beach in May?

Tonsai Beach averages 30.0°C in May, based on long-run climatology for the Andaman Sea.

Is the sea warm enough to swim at Tonsai Beach in May?

Yes, most swimmers find 30.0°C comfortable for unrestricted swimming.

Do I need a wetsuit at Tonsai Beach in May?

No wetsuit needed.