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December weather forecast in Philadelphia

Average data for 10 years

  • 29 November, Sunday. morning, 17°; night, 9°; rain; Feels like +8°; Pressure 751 millimeters of mercury; Humidity 72%; Wind speed 4.3 Meters per second, southerly;

  • 30 November, Monday. morning, 17°; night, 6°; rain; Feels like +8°; Pressure 750 millimeters of mercury; Humidity 74%; Wind speed 4.8 Meters per second, south-westerly;

  • 1 December, Tuesday. morning, 16°; night, 5°; ; Feels like +6°; Pressure 751 millimeters of mercury; Humidity 69%; Wind speed 4.1 Meters per second, westerly;

  • 2 December, Wednesday. morning, 15°; night, 6°; ; Feels like +6°; Pressure 752 millimeters of mercury; Humidity 71%; Wind speed 3.5 Meters per second, south-westerly;

  • 3 December, Thursday. morning, 16°; night, 8°; ; Feels like +7°; Pressure 752 millimeters of mercury; Humidity 72%; Wind speed 4 Meters per second, southerly;

  • 4 December, Friday. morning, 16°; night, 7°; ; Feels like +7°; Pressure 752 millimeters of mercury; Humidity 76%; Wind speed 4.4 Meters per second, southerly;

  • 5 December, Saturday. morning, 15°; night, 6°; rain; Feels like +7°; Pressure 752 millimeters of mercury; Humidity 76%; Wind speed 4.3 Meters per second, westerly;

  • 6 December, Sunday. morning, 14°; night, 5°; ; Feels like +5°; Pressure 752 millimeters of mercury; Humidity 73%; Wind speed 4 Meters per second, westerly;

  • 7 December, Monday. morning, 13°; night, 5°; ; Feels like +5°; Pressure 752 millimeters of mercury; Humidity 72%; Wind speed 3.7 Meters per second, northerly;

  • 8 December, Tuesday. morning, 14°; night, 7°; ; Feels like +5°; Pressure 752 millimeters of mercury; Humidity 76%; Wind speed 3.9 Meters per second, south-easterly;

  • 9 December, Wednesday. morning, 15°; night, 7°; ; Feels like +7°; Pressure 751 millimeters of mercury; Humidity 76%; Wind speed 4.3 Meters per second, southerly;

  • 10 December, Thursday. morning, 15°; night, 5°; rain; Feels like +6°; Pressure 750 millimeters of mercury; Humidity 76%; Wind speed 4.5 Meters per second, westerly;

  • 11 December, Friday. morning, 14°; night, 6°; ; Feels like +5°; Pressure 751 millimeters of mercury; Humidity 73%; Wind speed 4.3 Meters per second, westerly;

  • 12 December, Saturday. morning, 15°; night, 6°; ; Feels like +5°; Pressure 752 millimeters of mercury; Humidity 72%; Wind speed 4.5 Meters per second, south-easterly;

  • 13 December, Sunday. morning, 14°; night, 6°; rain; Feels like +6°; Pressure 751 millimeters of mercury; Humidity 76%; Wind speed 4.1 Meters per second, south-easterly;

  • 14 December, Monday. morning, 14°; night, 6°; rain; Feels like +6°; Pressure 751 millimeters of mercury; Humidity 76%; Wind speed 4.5 Meters per second, south-easterly;

  • 15 December, Tuesday. morning, 14°; night, 6°; ; Feels like +5°; Pressure 751 millimeters of mercury; Humidity 74%; Wind speed 4.4 Meters per second, southerly;

  • 16 December, Wednesday. morning, 15°; night, 6°; ; Feels like +6°; Pressure 751 millimeters of mercury; Humidity 75%; Wind speed 4.4 Meters per second, south-westerly;

  • 17 December, Thursday. morning, 14°; night, 4°; ; Feels like +5°; Pressure 751 millimeters of mercury; Humidity 71%; Wind speed 4.3 Meters per second, westerly;

  • 18 December, Friday. morning, 14°; night, 5°; ; Feels like +5°; Pressure 752 millimeters of mercury; Humidity 73%; Wind speed 3.9 Meters per second, north-westerly;

  • 19 December, Saturday. morning, 13°; night, 5°; ; Feels like +4°; Pressure 752 millimeters of mercury; Humidity 70%; Wind speed 4.4 Meters per second, north-westerly;

  • 20 December, Sunday. morning, 13°; night, 6°; ; Feels like +4°; Pressure 752 millimeters of mercury; Humidity 73%; Wind speed 4 Meters per second, southerly;

  • 21 December, Monday. morning, 14°; night, 6°; ; Feels like +5°; Pressure 752 millimeters of mercury; Humidity 73%; Wind speed 4.5 Meters per second, southerly;

  • 22 December, Tuesday. morning, 15°; night, 6°; ; Feels like +6°; Pressure 751 millimeters of mercury; Humidity 73%; Wind speed 4.5 Meters per second, southerly;

  • 23 December, Wednesday. morning, 14°; night, 6°; rain; Feels like +5°; Pressure 752 millimeters of mercury; Humidity 72%; Wind speed 4.8 Meters per second, southerly;

  • 24 December, Thursday. morning, 14°; night, 4°; rain; Feels like +5°; Pressure 751 millimeters of mercury; Humidity 73%; Wind speed 4.8 Meters per second, south-westerly;

  • 25 December, Friday. morning, 12°; night, 4°; ; Feels like +3°; Pressure 751 millimeters of mercury; Humidity 72%; Wind speed 4.5 Meters per second, north-westerly;

  • 26 December, Saturday. morning, 13°; night, 6°; ; Feels like +4°; Pressure 752 millimeters of mercury; Humidity 72%; Wind speed 4 Meters per second, southerly;

  • 27 December, Sunday. morning, 14°; night, 7°; rain; Feels like +5°; Pressure 751 millimeters of mercury; Humidity 77%; Wind speed 4.5 Meters per second, southerly;

  • 28 December, Monday. morning, 15°; night, 7°; rain; Feels like +6°; Pressure 750 millimeters of mercury; Humidity 76%; Wind speed 4.6 Meters per second, southerly;

  • 29 December, Tuesday. morning, 14°; night, 6°; rain; Feels like +6°; Pressure 750 millimeters of mercury; Humidity 75%; Wind speed 4.5 Meters per second, westerly;

  • 30 December, Wednesday. morning, 13°; night, 7°; ; Feels like +5°; Pressure 751 millimeters of mercury; Humidity 73%; Wind speed 4.4 Meters per second, south-westerly;

  • 31 December, Thursday. morning, 14°; night, 7°; rain; Feels like +6°; Pressure 751 millimeters of mercury; Humidity 73%; Wind speed 4.3 Meters per second, south-westerly;

  • 1 January, Friday. morning, 13°; night, 6°; rain; Feels like +6°; Pressure 751 millimeters of mercury; Humidity 73%; Wind speed 4.1 Meters per second, south-westerly;

  • 2 January, Saturday. morning, 13°; night, 5°; ; Feels like +5°; Pressure 752 millimeters of mercury; Humidity 74%; Wind speed 4.5 Meters per second, westerly;

In December, the weather in Philadelphia is typically cold. The average daily high in December is 9 degrees above zero. On average, Philadelphia has 10 rainy, 10 sunny, and 10 cloudy days in December. December along with January, February, and July is considered the least comfortable time to visit Philadelphia.