Planning for the weather is a good way to make your trip to Guanyindian relaxing and enjoyable, especially when you're splurging. The hottest months are usually August and July, with an average temperature of 24°C, while the coldest months are January and December, with an average of 7°C. The rainiest months in Guanyindian are July, August, September and June, with each month seeing an average of 231 mm of rainfall.