If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Pingtung: The hottest months are usually July and September, with an average temperature of 28°C, while the coldest months are January and February, with an average of 21°C. The rainiest months in Pingtung are August, June, July and May, with each month seeing an average of 392 mm of rainfall.