Planning for the weather is an important factor for making your trip to Qiannan a success, especially when you’re splurging. The hottest months are usually August and July, with an average temperature of 22°C, while the coldest months are January and December, with an average of 8°C. The rainiest months in Qiannan are June, May, April and July, with each month seeing an average of 289 mm of rainfall.