Precipitation averages 39.12 inches (993.6 mm) annually. There are an average of 7.4 afternoons with highs of 90 ☏ (32.2 ☌) or higher and an average of 136.2 days with lows of 32 ☏ (0 ☌) or lower. National Weather Service records show that average January temperatures are a maximum of 30.9 ☏ (−0.6 ☌) and a minimum of 15.9 ☏ (−8.9 ☌). Under the Köppen climate classification Coldwater has a humid continental climate that is borderline between categories Dfa (hot summer) and Dfb (long, warm summer). Both combine to form a series of shallow, connected lakes on the city's west side.Īccording to the United States Census Bureau, the city has a total area of 8.27 square miles (21.42 km 2), of which 8.03 square miles (20.80 km 2) is land and 0.24 square miles (0.62 km 2) is water. The Coldwater chain of lakes also has an outlet called the Sauk River, which flows from its north end (near Quincy) and then through the south side of the city of Coldwater.

The Coldwater River flows into the city from the south, originating from Coldwater Lake. It was designated in 1842 as the county seat of Branch County. Coldwater was incorporated as a village in 1837, and then incorporated by the legislature as a city in 1861. The city is mostly surrounded by Coldwater Township, but the two are administered autonomously.Īmerican settlers first moved into the area around 1830, with many arriving from New York and New England. The city had a population of 13,822 at the 2020 census. Coldwater is a city in and county seat of Branch County in the U.S.

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