Thailand — Best time to dive

Diving in Thailand in December

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December is one of the best months for liveaboard diving in Thailand. Conditions are at their peak with great visibility, calm seas and prime marine life encounters.

Season rating
Peak season
Water temperature
2729°C
Conditions in
December

What you might see

Year-round overview for Thailand

Frequently asked questions

Is December a good month to dive in Thailand?

December in Thailand is rated as peak season. Water temperatures are around 27–29°C and conditions are usually suitable for liveaboard trips.

What can you see diving in Thailand in December?

In December, 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 December 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 November and January which often share similar conditions.

Find a liveaboard for December

Compare available Thailand liveaboards departing in December.

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