The weather in Samui in April is so hot that a thorough soaking during Songkran comes as a blessed relief! Naturally, the 29°C/83°F temperatures with a mere 80mm of rainfall expected over five days of the month (usually in the evenings or at night) makes it one of the more popular times to visit the island paradise. A number of other big events take advantage of the great weather, including the LGBT Pride Festival and the Koh Samui Triathlon. On the beach, the water is barely ruffled by gentle south-easterly breezes and is about 28°C/82°F, with great visibility and interesting sea life for scuba divers and snorkelers to keep an eye out for.