Getting an idea of what to expect from the weather in Cua Duong will help you enjoy your stay to the fullest. The hottest months are usually May and April, with an average temperature of 29°C, while the coldest months are January and December, with an average of 27°C. The rainiest months in Cua Duong are September, July, October and August, with each month seeing an average of 327 mm of rainfall.