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December weather forecast in St. Louis

Average data for 10 years

  • 29 November, Sunday. morning, 10°; night, 3°; ; Feels like +1°; Pressure 748 millimeters of mercury; Humidity 70%; Wind speed 5.4 Meters per second, southerly;

  • 30 November, Monday. morning, 10°; night, 1°; rain; Feels like +1°; Pressure 747 millimeters of mercury; Humidity 72%; Wind speed 5 Meters per second, westerly;

  • 1 December, Tuesday. morning, 8°; night, 1°; rain; Feels like −1°; Pressure 749 millimeters of mercury; Humidity 70%; Wind speed 5 Meters per second, westerly;

  • 2 December, Wednesday. morning, 9°; night, 2°; ; Feels like 0°; Pressure 749 millimeters of mercury; Humidity 68%; Wind speed 4.5 Meters per second, south-westerly;

  • 3 December, Thursday. morning, 9°; night, 2°; ; Feels like 0°; Pressure 750 millimeters of mercury; Humidity 72%; Wind speed 4.8 Meters per second, south-westerly;

  • 4 December, Friday. morning, 9°; night, 0°; rain; Feels like 0°; Pressure 750 millimeters of mercury; Humidity 73%; Wind speed 4.6 Meters per second, south-westerly;

  • 5 December, Saturday. morning, 8°; night, 0°; ; Feels like −1°; Pressure 750 millimeters of mercury; Humidity 72%; Wind speed 5 Meters per second, westerly;

  • 6 December, Sunday. morning, 6°; night, 0°; ; Feels like −2°; Pressure 750 millimeters of mercury; Humidity 72%; Wind speed 4.6 Meters per second, westerly;

  • 7 December, Monday. morning, 6°; night, 0°; ; Feels like −2°; Pressure 751 millimeters of mercury; Humidity 73%; Wind speed 4 Meters per second, westerly;

  • 8 December, Tuesday. morning, 6°; night, 1°; ; Feels like −2°; Pressure 750 millimeters of mercury; Humidity 73%; Wind speed 4.4 Meters per second, south-westerly;

  • 9 December, Wednesday. morning, 7°; night, 0°; rain; Feels like −1°; Pressure 748 millimeters of mercury; Humidity 73%; Wind speed 4.8 Meters per second, south-westerly;

  • 10 December, Thursday. morning, 7°; night, 0°; ; Feels like −2°; Pressure 748 millimeters of mercury; Humidity 71%; Wind speed 4.9 Meters per second, westerly;

  • 11 December, Friday. morning, 7°; night, 0°; ; Feels like −2°; Pressure 749 millimeters of mercury; Humidity 73%; Wind speed 4.8 Meters per second, south-westerly;

  • 12 December, Saturday. morning, 6°; night, 0°; ; Feels like −1°; Pressure 750 millimeters of mercury; Humidity 72%; Wind speed 4.5 Meters per second, south-westerly;

  • 13 December, Sunday. morning, 6°; night, 0°; rain; Feels like −1°; Pressure 750 millimeters of mercury; Humidity 73%; Wind speed 4.5 Meters per second, southerly;

  • 14 December, Monday. morning, 7°; night, 0°; rain; Feels like −1°; Pressure 749 millimeters of mercury; Humidity 76%; Wind speed 4.9 Meters per second, south-westerly;

  • 15 December, Tuesday. morning, 7°; night, 1°; rain; Feels like −2°; Pressure 749 millimeters of mercury; Humidity 74%; Wind speed 5.1 Meters per second, south-westerly;

  • 16 December, Wednesday. morning, 7°; night, 0°; rain; Feels like −1°; Pressure 748 millimeters of mercury; Humidity 72%; Wind speed 4.9 Meters per second, south-westerly;

  • 17 December, Thursday. morning, 5°; night, 0°; ; Feels like −2°; Pressure 749 millimeters of mercury; Humidity 74%; Wind speed 4.1 Meters per second, westerly;

  • 18 December, Friday. morning, 6°; night, -1°; ; Feels like −3°; Pressure 749 millimeters of mercury; Humidity 72%; Wind speed 5 Meters per second, south-westerly;

  • 19 December, Saturday. morning, 6°; night, 0°; ; Feels like −3°; Pressure 750 millimeters of mercury; Humidity 70%; Wind speed 4.6 Meters per second, westerly;

  • 20 December, Sunday. morning, 6°; night, 0°; ; Feels like −3°; Pressure 749 millimeters of mercury; Humidity 69%; Wind speed 4.9 Meters per second, south-westerly;

  • 21 December, Monday. morning, 6°; night, 0°; ; Feels like −2°; Pressure 749 millimeters of mercury; Humidity 71%; Wind speed 4.9 Meters per second, south-westerly;

  • 22 December, Tuesday. morning, 6°; night, 0°; ; Feels like −2°; Pressure 749 millimeters of mercury; Humidity 72%; Wind speed 4.9 Meters per second, south-westerly;

  • 23 December, Wednesday. morning, 6°; night, 0°; snow; Feels like −2°; Pressure 749 millimeters of mercury; Humidity 73%; Wind speed 5 Meters per second, south-westerly;

  • 24 December, Thursday. morning, 5°; night, -1°; ; Feels like −3°; Pressure 749 millimeters of mercury; Humidity 73%; Wind speed 5 Meters per second, westerly;

  • 25 December, Friday. morning, 5°; night, 0°; ; Feels like −4°; Pressure 750 millimeters of mercury; Humidity 72%; Wind speed 4.6 Meters per second, westerly;

  • 26 December, Saturday. morning, 6°; night, 0°; ; Feels like −2°; Pressure 750 millimeters of mercury; Humidity 73%; Wind speed 4.6 Meters per second, south-westerly;

  • 27 December, Sunday. morning, 6°; night, 0°; rain; Feels like −1°; Pressure 748 millimeters of mercury; Humidity 76%; Wind speed 4.9 Meters per second, south-westerly;

  • 28 December, Monday. morning, 8°; night, 1°; ; Feels like −1°; Pressure 747 millimeters of mercury; Humidity 75%; Wind speed 5 Meters per second, south-westerly;

  • 29 December, Tuesday. morning, 6°; night, 0°; ; Feels like −2°; Pressure 747 millimeters of mercury; Humidity 75%; Wind speed 5.4 Meters per second, westerly;

  • 30 December, Wednesday. morning, 6°; night, 0°; ; Feels like −2°; Pressure 748 millimeters of mercury; Humidity 73%; Wind speed 5.1 Meters per second, south-westerly;

  • 31 December, Thursday. morning, 6°; night, -1°; ; Feels like −2°; Pressure 748 millimeters of mercury; Humidity 72%; Wind speed 5.1 Meters per second, westerly;

  • 1 January, Friday. morning, 5°; night, -1°; ; Feels like −4°; Pressure 750 millimeters of mercury; Humidity 71%; Wind speed 4.9 Meters per second, westerly;

  • 2 January, Saturday. morning, 5°; night, -1°; rain; Feels like −3°; Pressure 750 millimeters of mercury; Humidity 74%; Wind speed 4.6 Meters per second, westerly;

In December, the weather in St. Louis is typically cold. The average daily high in December is 2 degrees above zero. On average, St. Louis has 11 cloudy, 9 sunny, 8 rainy, and 1 snowy day in December. December along with January, February, March, and April is considered the least comfortable time to visit St. Louis.