Planning for the weather is a good way to make your trip to Mudanjiang relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are January and December, with an average of -13°C. The snowiest months in Mudanjiang are November, January, December and March, with each month seeing an average of 60 cm of snowfall.