Fort Pierre is a city of approximately 2,100 people in South Dakota, United States. Located in the Central Time Zone at 44.4°N latitude.
In 2025, Fort Pierre recorded an average annual temperature of 50°F — about 2.7°F above the 30-year normal of 47°F. The hottest day reached 101°F in June; the coldest was -18°F in February. Total precipitation was 27 inches (wetter than usual). Snowfall totaled 6 inches, below the 37-inch average. The wettest month was June.
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