Best time to go to Koh Samui
Koh Samui experiences its lowest average temperature in January, at 80.6°F (27.0°C), while May is the hottest month, with an average temperature of 84.7°F (29.3°C). November tends to be the wettest month. The peak travel months to visit Koh Samui are January, March, and July, which see a higher number of tourists. During this peak period, the weather is mostly sunny, accompanied by light rainfall. In contrast, May, October, and November are ideal if you're looking for a calmer vacation, marked by light to frequent rainfall and mostly sunny to mostly cloudy conditions.