Weather is probably a major factor when you plan your trip to Ayer Hitam, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and March, with an average temperature of 27°C, while the coldest months are February and January, with an average of 26°C. The snowiest months in Ayer Hitam are March, January, December and February, with each month seeing an average of 153 cm of snowfall.