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December weather forecast in Flagstaff

Average data for 10 years

  • 29 November, Sunday. morning, 7°; night, -3°; rain; Feels like −3°; Pressure 584 millimeters of mercury; Humidity 55%; Wind speed 4.1 Meters per second, south-westerly;

  • 30 November, Monday. morning, 7°; night, -3°; ; Feels like −3°; Pressure 585 millimeters of mercury; Humidity 57%; Wind speed 4 Meters per second, south-westerly;

  • 1 December, Tuesday. morning, 8°; night, -2°; ; Feels like −3°; Pressure 584 millimeters of mercury; Humidity 55%; Wind speed 3.7 Meters per second, south-westerly;

  • 2 December, Wednesday. morning, 7°; night, -3°; ; Feels like −3°; Pressure 584 millimeters of mercury; Humidity 54%; Wind speed 3.9 Meters per second, south-westerly;

  • 3 December, Thursday. morning, 7°; night, -3°; ; Feels like −3°; Pressure 585 millimeters of mercury; Humidity 56%; Wind speed 3.7 Meters per second, south-westerly;

  • 4 December, Friday. morning, 6°; night, -3°; ; Feels like −3°; Pressure 585 millimeters of mercury; Humidity 55%; Wind speed 3.2 Meters per second, southerly;

  • 5 December, Saturday. morning, 7°; night, -3°; ; Feels like −4°; Pressure 585 millimeters of mercury; Humidity 52%; Wind speed 3.4 Meters per second, southerly;

  • 6 December, Sunday. morning, 7°; night, -2°; ; Feels like −3°; Pressure 585 millimeters of mercury; Humidity 54%; Wind speed 3.7 Meters per second, south-westerly;

  • 7 December, Monday. morning, 6°; night, -2°; ; Feels like −3°; Pressure 585 millimeters of mercury; Humidity 60%; Wind speed 4 Meters per second, south-westerly;

  • 8 December, Tuesday. morning, 6°; night, -4°; rain; Feels like −4°; Pressure 584 millimeters of mercury; Humidity 61%; Wind speed 4.4 Meters per second, south-westerly;

  • 9 December, Wednesday. morning, 6°; night, -4°; ; Feels like −4°; Pressure 585 millimeters of mercury; Humidity 56%; Wind speed 3.7 Meters per second, south-westerly;

  • 10 December, Thursday. morning, 5°; night, -4°; ; Feels like −5°; Pressure 585 millimeters of mercury; Humidity 55%; Wind speed 4 Meters per second, southerly;

  • 11 December, Friday. morning, 6°; night, -3°; ; Feels like −4°; Pressure 584 millimeters of mercury; Humidity 56%; Wind speed 3.5 Meters per second, south-westerly;

  • 12 December, Saturday. morning, 6°; night, -4°; ; Feels like −4°; Pressure 584 millimeters of mercury; Humidity 57%; Wind speed 4 Meters per second, south-westerly;

  • 13 December, Sunday. morning, 6°; night, -4°; ; Feels like −4°; Pressure 584 millimeters of mercury; Humidity 57%; Wind speed 4.1 Meters per second, south-westerly;

  • 14 December, Monday. morning, 5°; night, -5°; ; Feels like −5°; Pressure 584 millimeters of mercury; Humidity 58%; Wind speed 4.3 Meters per second, south-westerly;

  • 15 December, Tuesday. morning, 4°; night, -5°; ; Feels like −6°; Pressure 584 millimeters of mercury; Humidity 56%; Wind speed 4.3 Meters per second, south-westerly;

  • 16 December, Wednesday. morning, 5°; night, -5°; ; Feels like −6°; Pressure 584 millimeters of mercury; Humidity 54%; Wind speed 3.7 Meters per second, southerly;

  • 17 December, Thursday. morning, 5°; night, -4°; ; Feels like −5°; Pressure 584 millimeters of mercury; Humidity 55%; Wind speed 3.9 Meters per second, southerly;

  • 18 December, Friday. morning, 5°; night, -5°; ; Feels like −5°; Pressure 584 millimeters of mercury; Humidity 56%; Wind speed 3.5 Meters per second, southerly;

  • 19 December, Saturday. morning, 6°; night, -4°; ; Feels like −5°; Pressure 584 millimeters of mercury; Humidity 56%; Wind speed 3.5 Meters per second, south-westerly;

  • 20 December, Sunday. morning, 6°; night, -4°; ; Feels like −4°; Pressure 584 millimeters of mercury; Humidity 54%; Wind speed 3.7 Meters per second, south-westerly;

  • 21 December, Monday. morning, 6°; night, -4°; rain; Feels like −4°; Pressure 583 millimeters of mercury; Humidity 58%; Wind speed 3.9 Meters per second, south-westerly;

  • 22 December, Tuesday. morning, 5°; night, -4°; rain; Feels like −5°; Pressure 583 millimeters of mercury; Humidity 62%; Wind speed 4.4 Meters per second, south-westerly;

  • 23 December, Wednesday. morning, 4°; night, -4°; rain; Feels like −5°; Pressure 584 millimeters of mercury; Humidity 63%; Wind speed 4.1 Meters per second, westerly;

  • 24 December, Thursday. morning, 4°; night, -5°; ; Feels like −5°; Pressure 585 millimeters of mercury; Humidity 62%; Wind speed 3.9 Meters per second, south-westerly;

  • 25 December, Friday. morning, 4°; night, -6°; snow; Feels like −6°; Pressure 584 millimeters of mercury; Humidity 60%; Wind speed 4.4 Meters per second, south-westerly;

  • 26 December, Saturday. morning, 3°; night, -6°; ; Feels like −7°; Pressure 583 millimeters of mercury; Humidity 58%; Wind speed 4.5 Meters per second, south-westerly;

  • 27 December, Sunday. morning, 3°; night, -6°; ; Feels like −6°; Pressure 583 millimeters of mercury; Humidity 58%; Wind speed 4 Meters per second, south-westerly;

  • 28 December, Monday. morning, 4°; night, -5°; ; Feels like −6°; Pressure 583 millimeters of mercury; Humidity 57%; Wind speed 3.7 Meters per second, south-westerly;

  • 29 December, Tuesday. morning, 4°; night, -4°; snow; Feels like −6°; Pressure 583 millimeters of mercury; Humidity 60%; Wind speed 4 Meters per second, south-westerly;

  • 30 December, Wednesday. morning, 5°; night, -5°; ; Feels like −5°; Pressure 583 millimeters of mercury; Humidity 57%; Wind speed 3.5 Meters per second, south-westerly;

  • 31 December, Thursday. morning, 4°; night, -6°; ; Feels like −5°; Pressure 583 millimeters of mercury; Humidity 60%; Wind speed 3.5 Meters per second, south-westerly;

  • 1 January, Friday. morning, 3°; night, -6°; ; Feels like −6°; Pressure 583 millimeters of mercury; Humidity 64%; Wind speed 3.7 Meters per second, south-westerly;

  • 2 January, Saturday. morning, 4°; night, -5°; ; Feels like −6°; Pressure 584 millimeters of mercury; Humidity 62%; Wind speed 4 Meters per second, south-easterly;

In December, the weather in Flagstaff is typically freezing. The average daily high in December is zero. On average, Flagstaff has 16 sunny, 4 rainy, 4 cloudy, and 2 snowy days in December. December along with January, February, March, and April is considered the least comfortable time to visit Flagstaff.