Koh Tao Sea Temperature
Thailand · Updated hourly from satellite and marine data
Current Sea Temperature
30.8°C
Cool — wetsuit recommended
Sea Surface Temperature Over the Year
Sea surface temperature in Koh Tao ranges from about 30.5°C in June to 30.5°C in June. The water is warmest in late summer and coolest in winter.
Over the past 30 days, the average sea temperature in Koh Tao has been 30.5°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| Jun | — | — | — |
Based on recent forecast data collected for Koh Tao.
Koh Tao Water Temperature — Common Questions
What is the sea temperature in Koh Tao today?
The current sea surface temperature in Koh Tao is 30.8°C. Over the last 30 days, the average has been 30.5°C.
When is the water warmest in Koh Tao?
The warmest sea temperatures in Koh Tao occur in June, averaging around 30.5°C. Late summer typically brings the warmest water, ideal for snorkeling without a wetsuit.
When is the water coldest in Koh Tao?
The coldest sea temperatures are in June, averaging around 30.5°C.
Can you swim in Koh Tao today?
Yes — at 30.8°C the water is warm enough for comfortable swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Koh Tao.
View Snorkel Forecast →