Weather will likely play an important role when you plan your trip to Bản Mạc, 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 80°F, while the coldest months are January and December with an average of 61°F. The rainiest months in Bản Mạc are August, July, June, and May, with each month seeing an average of 12 inches of rainfall.