Weather will likely play an important role when you plan your trip to Chukai, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and April with an average temp of 79°F, while the coldest months are February and January with an average of 76°F. The rainiest months in Chukai are November, December, October, and September, with each month seeing an average of 16 inches of rainfall.