Weather will likely play an important role when you plan your trip to Bayawan City, 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 82°F, while the coldest months are February and January with an average of 80°F. The rainiest months in Bayawan City are July, September, October, and August, with each month seeing an average of 16 inches of rainfall.