Weather will likely play an important role when you plan your trip to Teluk Dalam, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually October and September, with an average temperature of 27°C, while the coldest months are July and January, with an average of 26°C. The rainiest months in Teluk Dalam are April, March, January and November, with each month seeing an average of 346 mm of rainfall.