Summer and autumn are the best seasons to travel to Jiamusi. Jiamusi features a cold temperate continental monsoon climate, with an annual average temperature of around 3°C. Temperatures rise month by month before July and drop gradually after July.

Seven months of the year (April to October) record an average temperature above 0°C. Snow and ice begin to thaw in early March, and the soil starts to defrost in late March. Freezing sets in early November, and the ground is fully frozen by mid-November, with the permafrost depth reaching approximately 1.2 meters.

The Sanjiang International Tourism Festival, held here every June, marks the peak travel season for visiting Jiamusi.