In December, Koh Tao experiences a warm climate with temperatures ranging from a comfortable 24°C to a slightly hot 29°C. The island is quite humid during this time, with a significant amount of rainfall measuring up to 160 mm. This makes the weather a bit unpredictable, but it also adds a unique charm to the island’s tropical beauty.
The wind speed is moderate, averaging around 8 km/h, which provides a gentle breeze that can be quite refreshing amidst the warmth. Despite the rain, there’s still a bit of sunshine, although not as much as in the drier months. Overall, the weather in Koh Tao in December is a mix of warmth, rain, and breezy winds, making it an interesting time to visit.