Taking the local weather in Negara Batin 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 26°C, while the coldest months are August and September, with an average of 26°C. The rainiest months in Negara Batin are March, February, January and December, with each month seeing an average of 378 mm of rainfall.