On the south coast of Thailand, there are 20 diving spots on its coastline. The area is roughly divided into three regional cities: the adjacent islands, ocean islands and samesan. Dried up from November to mid March. The air temperature range is 30-35 ° C / 85-95 ° F. Diving is good all year round, but the Gulf of Thailand peaked from May to September. The sea water temperature range is 28-30 ° C / 82.4-85 ° F.