Taking the local weather in Kiam Sam into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually May and June, with an average temperature of 28°C, while the coldest months are February and January, with an average of 27°C. The rainiest months in Kiam Sam are December, November, October and January, with each month seeing an average of 306 mm of rainfall.