Taking the local weather in Batu Balak into account can help you maximise your time at the pool during your trip. The hottest months are usually October and September, with an average temperature of 28°C, while the coldest months are August and July, with an average of 27°C. The rainiest months in Batu Balak are January, December, February and March, with each month seeing an average of 292 mm of rainfall.