Weather is probably a major factor when you plan your trip to Ol-og, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and June with an average temp of 82°F, while the coldest months are February and January with an average of 80°F. The rainiest months in Ol-og are July, September, June, and October, with each month seeing an average of 13 inches of rainfall.