Taking the local weather in Kota Klias 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 August, with an average temperature of 26°C, while the coldest months are February and January, with an average of 25°C. The rainiest months in Kota Klias are October, December, November and January, with each month seeing an average of 297 mm of rainfall.