Planning for the weather is an important factor for making your trip to Chaohu a success, 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 7°C. The rainiest months in Chaohu are July, June, August and May, with each month seeing an average of 209 mm of rainfall.