Weather is probably a major factor when you plan your trip to Ban Thana, 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 27°C, while the coldest months are January and December, with an average of 22°C. The rainiest months in Ban Thana are August, September, July and June, with each month seeing an average of 251 mm of rainfall.