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December weather forecast in Sioux Falls

Average data for 10 years

  • 29 November, Sunday. morning, 3°; night, -5°; snow; Feels like −7°; Pressure 721 millimeters of mercury; Humidity 74%; Wind speed 6.4 Meters per second, westerly;

  • 30 November, Monday. morning, 2°; night, -5°; ; Feels like −8°; Pressure 722 millimeters of mercury; Humidity 75%; Wind speed 6.3 Meters per second, north-westerly;

  • 1 December, Tuesday. morning, 2°; night, -4°; ; Feels like −8°; Pressure 723 millimeters of mercury; Humidity 74%; Wind speed 6.1 Meters per second, westerly;

  • 2 December, Wednesday. morning, 2°; night, -5°; ; Feels like −8°; Pressure 722 millimeters of mercury; Humidity 74%; Wind speed 6 Meters per second, westerly;

  • 3 December, Thursday. morning, 1°; night, -5°; ; Feels like −8°; Pressure 724 millimeters of mercury; Humidity 77%; Wind speed 6 Meters per second, westerly;

  • 4 December, Friday. morning, 1°; night, -6°; ; Feels like −8°; Pressure 723 millimeters of mercury; Humidity 77%; Wind speed 6.1 Meters per second, westerly;

  • 5 December, Saturday. morning, 0°; night, -7°; ; Feels like −10°; Pressure 724 millimeters of mercury; Humidity 76%; Wind speed 6.8 Meters per second, westerly;

  • 6 December, Sunday. morning, 0°; night, -8°; ; Feels like −10°; Pressure 724 millimeters of mercury; Humidity 75%; Wind speed 6.1 Meters per second, westerly;

  • 7 December, Monday. morning, 0°; night, -7°; ; Feels like −11°; Pressure 724 millimeters of mercury; Humidity 75%; Wind speed 5.5 Meters per second, westerly;

  • 8 December, Tuesday. morning, 0°; night, -6°; ; Feels like −10°; Pressure 723 millimeters of mercury; Humidity 77%; Wind speed 5.6 Meters per second, westerly;

  • 9 December, Wednesday. morning, 0°; night, -7°; rain; Feels like −10°; Pressure 722 millimeters of mercury; Humidity 76%; Wind speed 6.5 Meters per second, westerly;

  • 10 December, Thursday. morning, 0°; night, -6°; ; Feels like −10°; Pressure 722 millimeters of mercury; Humidity 78%; Wind speed 6.6 Meters per second, westerly;

  • 11 December, Friday. morning, 0°; night, -7°; ; Feels like −10°; Pressure 722 millimeters of mercury; Humidity 79%; Wind speed 6.1 Meters per second, westerly;

  • 12 December, Saturday. morning, 0°; night, -7°; ; Feels like −10°; Pressure 724 millimeters of mercury; Humidity 78%; Wind speed 6 Meters per second, westerly;

  • 13 December, Sunday. morning, 0°; night, -6°; ; Feels like −10°; Pressure 723 millimeters of mercury; Humidity 77%; Wind speed 5.8 Meters per second, south-westerly;

  • 14 December, Monday. morning, 0°; night, -6°; ; Feels like −9°; Pressure 722 millimeters of mercury; Humidity 79%; Wind speed 6.3 Meters per second, south-westerly;

  • 15 December, Tuesday. morning, 0°; night, -6°; rain; Feels like −10°; Pressure 721 millimeters of mercury; Humidity 77%; Wind speed 6.9 Meters per second, south-westerly;

  • 16 December, Wednesday. morning, 0°; night, -8°; snow; Feels like −10°; Pressure 721 millimeters of mercury; Humidity 78%; Wind speed 7.1 Meters per second, westerly;

  • 17 December, Thursday. morning, -1°; night, -8°; ; Feels like −11°; Pressure 723 millimeters of mercury; Humidity 79%; Wind speed 6 Meters per second, westerly;

  • 18 December, Friday. morning, -1°; night, -9°; ; Feels like −11°; Pressure 722 millimeters of mercury; Humidity 77%; Wind speed 6.5 Meters per second, westerly;

  • 19 December, Saturday. morning, -1°; night, -7°; ; Feels like −13°; Pressure 724 millimeters of mercury; Humidity 74%; Wind speed 6.5 Meters per second, westerly;

  • 20 December, Sunday. morning, -1°; night, -8°; ; Feels like −11°; Pressure 723 millimeters of mercury; Humidity 74%; Wind speed 6.6 Meters per second, westerly;

  • 21 December, Monday. morning, -1°; night, -8°; ; Feels like −12°; Pressure 722 millimeters of mercury; Humidity 75%; Wind speed 6.6 Meters per second, westerly;

  • 22 December, Tuesday. morning, -1°; night, -7°; ; Feels like −12°; Pressure 723 millimeters of mercury; Humidity 76%; Wind speed 6.1 Meters per second, westerly;

  • 23 December, Wednesday. morning, -2°; night, -9°; ; Feels like −12°; Pressure 723 millimeters of mercury; Humidity 76%; Wind speed 6.6 Meters per second, north-westerly;

  • 24 December, Thursday. morning, -2°; night, -9°; ; Feels like −13°; Pressure 724 millimeters of mercury; Humidity 77%; Wind speed 6.3 Meters per second, north-westerly;

  • 25 December, Friday. morning, -1°; night, -7°; ; Feels like −12°; Pressure 723 millimeters of mercury; Humidity 79%; Wind speed 5.8 Meters per second, north-westerly;

  • 26 December, Saturday. morning, -1°; night, -7°; snow; Feels like −11°; Pressure 723 millimeters of mercury; Humidity 78%; Wind speed 6.1 Meters per second, westerly;

  • 27 December, Sunday. morning, 0°; night, -6°; ; Feels like −10°; Pressure 721 millimeters of mercury; Humidity 79%; Wind speed 6.4 Meters per second, south-westerly;

  • 28 December, Monday. morning, 0°; night, -7°; ; Feels like −10°; Pressure 720 millimeters of mercury; Humidity 78%; Wind speed 6.8 Meters per second, westerly;

  • 29 December, Tuesday. morning, -1°; night, -8°; snow; Feels like −12°; Pressure 722 millimeters of mercury; Humidity 78%; Wind speed 6.5 Meters per second, north-westerly;

  • 30 December, Wednesday. morning, -2°; night, -10°; snow; Feels like −12°; Pressure 721 millimeters of mercury; Humidity 79%; Wind speed 6.5 Meters per second, westerly;

  • 31 December, Thursday. morning, -3°; night, -11°; ; Feels like −14°; Pressure 723 millimeters of mercury; Humidity 77%; Wind speed 6.5 Meters per second, north-westerly;

  • 1 January, Friday. morning, -4°; night, -10°; ; Feels like −15°; Pressure 724 millimeters of mercury; Humidity 74%; Wind speed 6.1 Meters per second, north-westerly;

  • 2 January, Saturday. morning, -3°; night, -8°; ; Feels like −13°; Pressure 724 millimeters of mercury; Humidity 77%; Wind speed 5.5 Meters per second, north-westerly;

In December, the weather in Sioux Falls is typically freezing. The average daily high in December is 4 degrees below zero. On average, Sioux Falls has 11 sunny, 9 cloudy, 4 snowy, and 2 rainy days in December. December along with July and August is considered the most comfortable time to visit Sioux Falls.