Weather is probably a major factor when you plan your trip to Wasu, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and February with an average temp of 76°F, while the coldest months are July and August with an average of 73°F. The rainiest months in Wasu are April, March, June, and December, with each month seeing an average of 26 inches of rainfall.