Planning for the weather is a good way to make your trip to Hanzhong relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 23°C, while the coldest months are January and December, with an average of 6°C. The rainiest months in Hanzhong are July, September, August and June, with each month seeing an average of 199 mm of rainfall.