In May, Koh Samui experiences a warm climate with temperatures ranging from a high of 33°C to a low of 26°C. The heat is quite intense, making it a perfect time for those who enjoy basking in the warmth. However, it’s not all about the heat, as the island also receives a significant amount of rainfall, about 160 mm, during this month. This mix of heat and rain creates a unique tropical atmosphere that is both vibrant and refreshing.
The wind speed in Koh Samui during May averages around 10 km/h. This gentle breeze provides a much-needed respite from the heat, making the weather more pleasant. Despite the high temperatures and rainfall, the sun isn’t as prominent, only appearing for a short while. This combination of weather conditions makes May in Koh Samui a unique experience, offering a blend of tropical heat, refreshing rain, and soothing breezes.