January weather forecast and climate
South Dakota, USA

January is by far the coldest month of the year in South Dakota, with the average low temperatures dropping to 2°F (-16.7°C) in the eastern regions - nights routinely go below the low temperatures in many places. Central and western South Dakota is in the frigid 6°F (-14.4°C) to 41°F (5°C) average range with short days and reduced daily sunshine. The western and central parts of the state are generally warmer than the eastern one. The historic Deadwood in the Black Hills averages between 14°F (-10°C) to 38°F (3.3°C), while Pierre, the capital of South Dakota, is in the cold range of 10°F (-12.2°C) to 30°F (-1.1°C) - comparatively Aberdeen on the eastern side is the coldest and lies in the range of 2°F (-16.7°C) to 23°F (-5°C).
Snowfall is usually 5" (127mm) to 8" (203mm) in most parts of the state. Winds are strong and face little resistance from the topography of mainly temperate grasslands.
South Dakota is not an ideal place to celebrate the New Year for most of the visitors, which reflects in the dwindling tourist numbers.