About Mandan, ND

Mandan, in North Dakota, United States, is home to roughly 21,400 people in the America/North Dakota/New Salem time zone at 46.8°N latitude.

Recent weather here gives a sense of typical conditions: in 2025, Mandan recorded a mean annual temperature of 44°F, ranging from -33°F lows in February to 96°F highs in July, with about 27 inches of precipitation across the year.