Planning for the weather is a good way to make your trip to Hongmiaogoukou relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 21°C, while the coldest months are January and December, with an average of 4°C. The rainiest months in Hongmiaogoukou are July, September, August and June, with each month seeing an average of 182 mm of rainfall.