Weather is probably a major factor when you plan your trip to Kaiping, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 28°C, while the coldest months are January and December, with an average of 17°C. The rainiest months in Kaiping are August, June, May and September, with each month seeing an average of 294 mm of rainfall.