Taking the local weather in Nam Giang into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually June and July, with an average temperature of 28°C, while the coldest months are January and February, with an average of 22°C. The rainiest months in Nam Giang are November, October, September and December, with each month seeing an average of 475 mm of rainfall.