Weather is probably a major factor when you plan your trip to Nanga Tamin, but bear in mind that cheaper options are usually available when the weather isn’t as good. The hottest months are usually May and July, with an average temperature of 27°C, while the coldest months are February and January, with an average of 26°C. The rainiest months in Nanga Tamin are December, January, November and October, with each month seeing an average of 392 mm of rainfall.