We will be spending three days in harbin from 31st dec to 2nd Jan 2014. Will there be snow during that period? What will the temperature be like?

According to the latest weather forecast, there won't be rainfall during your stay; however, the weather situation varies from time to time. Just keep close attention to the weather update and maybe it will snow.

We can see that the temperature will range from -22C to -11C from Dec. 31st to Jan. 2nd.