Planning for the weather is a good way to make your trip to Langzhong relaxing and enjoyable, especially when you're splurging. The hottest months are usually August and July, with an average temperature of 26°C, while the coldest months are January and December, with an average of 10°C. The rainiest months in Langzhong are July, September, August and June, with each month seeing an average of 214 mm of rainfall.