Railay Sea Temperature
Thailand · Updated hourly from satellite and marine data
Current Sea Temperature
31.3°C
Cool — wetsuit recommended
Sea Surface Temperature Over the Year
Sea surface temperature in Railay ranges from about 30.6°C in June to 30.6°C in June. The water is warmest in late summer and coolest in winter.
Over the past 30 days, the average sea temperature in Railay has been 30.6°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| Jun | — | — | — |
Based on recent forecast data collected for Railay.
Railay Water Temperature — Common Questions
What is the sea temperature in Railay today?
The current sea surface temperature in Railay is 31.3°C. Over the last 30 days, the average has been 30.6°C.
When is the water warmest in Railay?
The warmest sea temperatures in Railay occur in June, averaging around 30.6°C. Late summer typically brings the warmest water, ideal for snorkeling without a wetsuit.
When is the water coldest in Railay?
The coldest sea temperatures are in June, averaging around 30.6°C.
Can you swim in Railay today?
Yes — at 31.3°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 Railay.
View Snorkel Forecast →