Taking the local weather in Van Quan 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 27°C, while the coldest months are January and December, with an average of 16°C. The rainiest months in Van Quan are August, June, July and May, with each month seeing an average of 287 mm of rainfall.