Weather is probably a major factor when you plan your trip to Batang, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually October and May, 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 Batang are February, January, December and March, with each month seeing an average of 453 mm of rainfall.