Weather is probably a major factor when you plan your trip to Keningau, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and August with an average temp of 76°F, while the coldest months are February and January with an average of 74°F. The rainiest months in Keningau are May, November, April, and January, with each month seeing an average of 16 inches of rainfall.