Weather is probably a major factor when you plan your trip to Myawaddy, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually March and April with an average temp of 80°F, while the coldest months are January and December with an average of 74°F. The rainiest months in Myawaddy are August, July, June, and September, with each month seeing an average of 25 inches of rainfall.