Weather will likely play an important role when you plan your trip to Auki, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May with an average temp of 81°F, while the coldest months are November and December with an average of 80°F. The rainiest months in Auki are March, January, February, and December, with each month seeing an average of 19 inches of rainfall.