Weather is probably a major factor when you plan your trip to Yichun, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 17°C, while the coldest months are January and December, with an average of -16°C. The snowiest months in Yichun are January, November, December and February, with each month seeing an average of 51 cm of snowfall.