The climate of Samui is tropical and therefore warm throughout the year. At the same time it is dominated by the monsoon winds that bring seasonal changes from dry to wet. There are two very hot periods of weather on Samui, the first between March to June, when the average temperatures range from 34 to 38 degrees Celsius and only the occasional tropical thunderstorm brings relief from the heat. It is also very hot between July to October with occasional showers but these hardly last more than an hour. The months from November to February are generally cool enough to spend more time enjoying outdoor activities. Although this is officially the rainy season, you will probably nonetheless see a good deal of sun and clear skies, as tropical rain showers tend to last not for long.

Baan Talay Resort - ( Koh Samui Hotels )