Weather will likely play an important role when you plan your trip to Sittwe, 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 January and February with an average of 75°F. The rainiest months in Sittwe are July, June, August, and September, with each month seeing an average of 32 inches of rainfall.