Weather history and climate summary information is available for the following locations:
- Bismarck
- Fargo
Warmest December Days
The warmest December days in North Dakota are:
| Bismarck, North Dakota | 1979 | 64.9°F |
| Bismarck, North Dakota | 1998 | 61°F |
| Bismarck, North Dakota | 1988 | 60.1°F |
| Bismarck, North Dakota | 2004 | 60.1°F |
| Fargo, North Dakota | 1962 | 57°F |
Coldest December Days
The coldest December days in North Dakota were:
| Bismarck, North Dakota | 1983 | -40°F |
| Bismarck, North Dakota | 1990 | -36.9°F |
| Bismarck, North Dakota | 1989 | -35°F |
| Fargo, North Dakota | 1983 | -31°F |
| Bismarck, North Dakota | 1993 | -29.9°F |
Wettest December Days
The wettest single days in December occurred:
| Bismarck, North Dakota | 1995 | 1.1 inches |
| Fargo, North Dakota | 2006 | 0.7 inches |
| Fargo, North Dakota | 2007 | 0.7 inches |
| Bismarck, North Dakota | 2006 | 0.6 inches |
| Fargo, North Dakota | 1988 | 0.6 inches |