Weather will likely play an important role when you plan your trip to Thani, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and March, with an average temperature of 30°C, while the coldest months are December and January, with an average of 26°C. The rainiest months in Thani are August, September, July and May, with each month seeing an average of 248 mm of rainfall.