Visiting local bars in Jiamusi is more fun when the weather is good. These temperatures and rainfall averages can help you decide the best time for bar-hopping. The hottest months are usually July and August, with an average temperature of 19°C, while the coldest months are January and December, with an average of -14°C. The snowiest months in Jiamusi are January, November, December and February, with each month seeing an average of 66 cm of snowfall.