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December weather forecast in Cornwall

Average data for 10 years

  • 29 November, Sunday. morning, 3°; night, -1°; ; Feels like −4°; Pressure 755 millimeters of mercury; Humidity 80%; Wind speed 4.8 Meters per second, westerly;

  • 30 November, Monday. morning, 3°; night, 0°; rain; Feels like −4°; Pressure 754 millimeters of mercury; Humidity 81%; Wind speed 4.6 Meters per second, southerly;

  • 1 December, Tuesday. morning, 3°; night, -2°; rain; Feels like −4°; Pressure 752 millimeters of mercury; Humidity 79%; Wind speed 5.5 Meters per second, westerly;

  • 2 December, Wednesday. morning, 2°; night, -3°; rain; Feels like −5°; Pressure 754 millimeters of mercury; Humidity 79%; Wind speed 4.9 Meters per second, westerly;

  • 3 December, Thursday. morning, 1°; night, -2°; ; Feels like −6°; Pressure 754 millimeters of mercury; Humidity 79%; Wind speed 4.8 Meters per second, westerly;

  • 4 December, Friday. morning, 2°; night, -2°; ; Feels like −6°; Pressure 755 millimeters of mercury; Humidity 78%; Wind speed 4.9 Meters per second, westerly;

  • 5 December, Saturday. morning, 1°; night, -3°; rain; Feels like −5°; Pressure 755 millimeters of mercury; Humidity 78%; Wind speed 4.5 Meters per second, south-westerly;

  • 6 December, Sunday. morning, 1°; night, -3°; rain; Feels like −6°; Pressure 754 millimeters of mercury; Humidity 77%; Wind speed 5 Meters per second, westerly;

  • 7 December, Monday. morning, 0°; night, -6°; ; Feels like −7°; Pressure 754 millimeters of mercury; Humidity 75%; Wind speed 4.9 Meters per second, westerly;

  • 8 December, Tuesday. morning, -2°; night, -6°; ; Feels like −10°; Pressure 757 millimeters of mercury; Humidity 74%; Wind speed 4.5 Meters per second, westerly;

  • 9 December, Wednesday. morning, -1°; night, -4°; ; Feels like −9°; Pressure 757 millimeters of mercury; Humidity 79%; Wind speed 4.3 Meters per second, south-westerly;

  • 10 December, Thursday. morning, 0°; night, -4°; rain; Feels like −7°; Pressure 754 millimeters of mercury; Humidity 81%; Wind speed 4.8 Meters per second, south-westerly;

  • 11 December, Friday. morning, 0°; night, -4°; rain; Feels like −7°; Pressure 753 millimeters of mercury; Humidity 81%; Wind speed 4.5 Meters per second, westerly;

  • 12 December, Saturday. morning, 0°; night, -6°; ; Feels like −8°; Pressure 755 millimeters of mercury; Humidity 78%; Wind speed 5.4 Meters per second, westerly;

  • 13 December, Sunday. morning, 0°; night, -6°; ; Feels like −9°; Pressure 757 millimeters of mercury; Humidity 79%; Wind speed 4.6 Meters per second, westerly;

  • 14 December, Monday. morning, -1°; night, -6°; ; Feels like −9°; Pressure 757 millimeters of mercury; Humidity 79%; Wind speed 4.6 Meters per second, north-westerly;

  • 15 December, Tuesday. morning, 0°; night, -6°; ; Feels like −9°; Pressure 756 millimeters of mercury; Humidity 80%; Wind speed 5 Meters per second, westerly;

  • 16 December, Wednesday. morning, 0°; night, -5°; ; Feels like −9°; Pressure 756 millimeters of mercury; Humidity 79%; Wind speed 5 Meters per second, westerly;

  • 17 December, Thursday. morning, 0°; night, -6°; rain; Feels like −8°; Pressure 753 millimeters of mercury; Humidity 80%; Wind speed 4.8 Meters per second, westerly;

  • 18 December, Friday. morning, -1°; night, -7°; snow; Feels like −9°; Pressure 754 millimeters of mercury; Humidity 79%; Wind speed 4.5 Meters per second, westerly;

  • 19 December, Saturday. morning, -1°; night, -7°; ; Feels like −10°; Pressure 755 millimeters of mercury; Humidity 79%; Wind speed 4.6 Meters per second, westerly;

  • 20 December, Sunday. morning, -2°; night, -7°; ; Feels like −11°; Pressure 756 millimeters of mercury; Humidity 77%; Wind speed 4.6 Meters per second, westerly;

  • 21 December, Monday. morning, -2°; night, -6°; ; Feels like −11°; Pressure 756 millimeters of mercury; Humidity 78%; Wind speed 4.9 Meters per second, westerly;

  • 22 December, Tuesday. morning, -1°; night, -6°; snow; Feels like −10°; Pressure 755 millimeters of mercury; Humidity 80%; Wind speed 4.9 Meters per second, westerly;

  • 23 December, Wednesday. morning, 0°; night, -5°; snow; Feels like −9°; Pressure 756 millimeters of mercury; Humidity 82%; Wind speed 5 Meters per second, westerly;

  • 24 December, Thursday. morning, 0°; night, -6°; snow; Feels like −9°; Pressure 755 millimeters of mercury; Humidity 79%; Wind speed 4.8 Meters per second, south-westerly;

  • 25 December, Friday. morning, -1°; night, -7°; ; Feels like −10°; Pressure 755 millimeters of mercury; Humidity 79%; Wind speed 4.9 Meters per second, westerly;

  • 26 December, Saturday. morning, -2°; night, -7°; ; Feels like −10°; Pressure 757 millimeters of mercury; Humidity 78%; Wind speed 4.4 Meters per second, westerly;

  • 27 December, Sunday. morning, -2°; night, -6°; snow; Feels like −10°; Pressure 756 millimeters of mercury; Humidity 79%; Wind speed 4.5 Meters per second, north-westerly;

  • 28 December, Monday. morning, -1°; night, -5°; snow; Feels like −10°; Pressure 754 millimeters of mercury; Humidity 81%; Wind speed 4.6 Meters per second, westerly;

  • 29 December, Tuesday. morning, -1°; night, -7°; ; Feels like −9°; Pressure 753 millimeters of mercury; Humidity 79%; Wind speed 4.8 Meters per second, westerly;

  • 30 December, Wednesday. morning, -2°; night, -9°; snow; Feels like −11°; Pressure 753 millimeters of mercury; Humidity 78%; Wind speed 5 Meters per second, westerly;

  • 31 December, Thursday. morning, -3°; night, -7°; ; Feels like −12°; Pressure 754 millimeters of mercury; Humidity 79%; Wind speed 4.6 Meters per second, westerly;

  • 1 January, Friday. morning, -3°; night, -9°; snow; Feels like −11°; Pressure 754 millimeters of mercury; Humidity 78%; Wind speed 4.9 Meters per second, westerly;

  • 2 January, Saturday. morning, -3°; night, -8°; snow; Feels like −13°; Pressure 755 millimeters of mercury; Humidity 76%; Wind speed 5 Meters per second, westerly;

December in Cornwall is the cloudiest month of the year. In December, the weather in Cornwall is typically freezing. The average daily high in December is 3 degrees below zero. On average, Cornwall has 15 cloudy, 7 rainy, 7 snowy, and 3 sunny days in December.