Visiting local bars in Jiamusi is more fun in good weather. These temperatures and rainfall averages can help you determine the best time for bar hopping. The hottest months are usually July and August with an average temp of 67°F, while the coldest months are January and December with an average of 7°F. The snowiest months in Jiamusi are January, November, December, and February, with each month seeing an average of 26 inches of snowfall.