Planning for the weather is a good way to make your trip to Xiulin relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August, with an average temperature of 27°C, while the coldest months are January and February, with an average of 18°C. The rainiest months in Xiulin are May, June, February and January, with each month seeing an average of 768 mm of rainfall.