Planning for the weather is a good way to make your trip to Chenggong District relaxing and enjoyable, especially when you're splurging. The hottest months are usually May and June, with an average temperature of 20°C, while the coldest months are January and December, with an average of 10°C. The rainiest months in Chenggong District are June, July, August and September, with each month seeing an average of 239 mm of rainfall.