Weather is probably a major factor when you plan your trip to Tadian, 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 73°F, while the coldest months are January and February with an average of 67°F. The rainiest months in Tadian are July, August, May, and June, with each month seeing an average of 25 inches of rainfall.