The Climate of Grand Forks, North Dakota is a warm summer continental (Köppen Dfb) typical of cities located in the Great Plains, with four very distinct seasons and great variation in temperatures over very short periods of time.
The city's climate is characterized by long, cold winters with moderate snowfall and warm summers which are typically humid.
Grand Forks lies in the middle of the North American continent on low-lying, flat land.
Depending on the year, warm weather can continue beyond to October, or come to an abrupt end soon after Labor Day.
There is generally snow cover from mid-November to the end of March, though this varies depending on the year—heavy snowfalls in late October and in April are not uncommon.