October in Koh Samui is a blend of warmth and rain. The temperature fluctuates between a comfortable 25°C at its lowest and a slightly hot 30°C at its peak. This makes it a great time for those who enjoy a mix of sunny and rainy weather. The island experiences a significant amount of rainfall, with a total of 290 mm throughout the month.
The wind speed is moderate, averaging around 10 km/h. This adds a refreshing breeze to the warm tropical climate. Despite the rain, the sun does make an appearance, although not as frequently as in the drier months. Overall, October in Koh Samui offers a unique blend of weather conditions, making it an interesting time to visit.