Qiqihar has a cold, monsoon-influenced, humid continental climate (Köppen Dwa), with four distinct seasons. The annual mean is 3.95 °C (39.1 °F). With monthly percent possible sunshine ranging from 56% in July to 73% in February, the city receives abundant sunshine, with 2,839 hours of bright sunshine annually. Extreme temperatures have ranged from −39.5 °C (−39 °F) to 42.1 °C (108 °F).
Summers are very warm and humid, with a 24-hour average in July of 23.2 °C (73.8 °F). The average annual precipitation is 415 millimetres (16.3 in), with over two-thirds of it falling from June to August.
Spring and fall are mild, but short and quick transitions.
It has long, bitterly cold, but dry winters, with a 24-hour average in January of −18.6 °C (−1.5 °F).