In May sea water temperature throughout Thailand warms above 20°C/68°F and it is enough for a comfortable bath. Based on water temperature observations over the past ten years, the warmest sea in Thailand in May was 31°C/88°F, and the coldest 29°C/84°FCurrent water temperature Thailand
Thailand cities and resorts with the values of the average water temperature in May in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a ctiy name
Thailand cities and resorts
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Our report for Thailand is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, water temperatures, surf forecasts, current temperatures and weather forecasts.