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December weather forecast in Istanbul

Average data for 10 years

  • 29 November, Sunday. morning, 13°; night, 9°; rain; Feels like +7°; Pressure 754 millimeters of mercury; Humidity 77%; Wind speed 6.8 Meters per second, easterly; Daytime water temperature +14°

  • 30 November, Monday. morning, 13°; night, 9°; ; Feels like +7°; Pressure 755 millimeters of mercury; Humidity 78%; Wind speed 6.6 Meters per second, north-easterly; Daytime water temperature +14°

  • 1 December, Tuesday. morning, 12°; night, 9°; ; Feels like +7°; Pressure 755 millimeters of mercury; Humidity 77%; Wind speed 6.4 Meters per second, easterly; Daytime water temperature +14°

  • 2 December, Wednesday. morning, 13°; night, 9°; ; Feels like +7°; Pressure 755 millimeters of mercury; Humidity 75%; Wind speed 6.1 Meters per second, south-easterly; Daytime water temperature +14°

  • 3 December, Thursday. morning, 13°; night, 9°; ; Feels like +7°; Pressure 755 millimeters of mercury; Humidity 77%; Wind speed 6.3 Meters per second, easterly; Daytime water temperature +14°

  • 4 December, Friday. morning, 13°; night, 8°; rain; Feels like +7°; Pressure 754 millimeters of mercury; Humidity 80%; Wind speed 6.3 Meters per second, north-easterly; Daytime water temperature +14°

  • 5 December, Saturday. morning, 12°; night, 8°; ; Feels like +6°; Pressure 755 millimeters of mercury; Humidity 78%; Wind speed 6 Meters per second, north-easterly; Daytime water temperature +13°

  • 6 December, Sunday. morning, 12°; night, 8°; ; Feels like +6°; Pressure 754 millimeters of mercury; Humidity 79%; Wind speed 6.1 Meters per second, north-easterly; Daytime water temperature +13°

  • 7 December, Monday. morning, 11°; night, 7°; rain; Feels like +5°; Pressure 754 millimeters of mercury; Humidity 80%; Wind speed 6.5 Meters per second, northerly; Daytime water temperature +13°

  • 8 December, Tuesday. morning, 11°; night, 7°; rain; Feels like +4°; Pressure 755 millimeters of mercury; Humidity 77%; Wind speed 6.5 Meters per second, northerly; Daytime water temperature +13°

  • 9 December, Wednesday. morning, 11°; night, 7°; ; Feels like +5°; Pressure 756 millimeters of mercury; Humidity 76%; Wind speed 6.5 Meters per second, north-easterly; Daytime water temperature +12°

  • 10 December, Thursday. morning, 11°; night, 7°; rain; Feels like +4°; Pressure 756 millimeters of mercury; Humidity 76%; Wind speed 7 Meters per second, north-easterly; Daytime water temperature +12°

  • 11 December, Friday. morning, 11°; night, 7°; rain; Feels like +4°; Pressure 755 millimeters of mercury; Humidity 78%; Wind speed 6.8 Meters per second, north-easterly; Daytime water temperature +12°

  • 12 December, Saturday. morning, 10°; night, 6°; ; Feels like +5°; Pressure 754 millimeters of mercury; Humidity 78%; Wind speed 6 Meters per second, northerly; Daytime water temperature +12°

  • 13 December, Sunday. morning, 10°; night, 6°; ; Feels like +4°; Pressure 755 millimeters of mercury; Humidity 77%; Wind speed 5.8 Meters per second, northerly; Daytime water temperature +12°

  • 14 December, Monday. morning, 10°; night, 7°; ; Feels like +4°; Pressure 755 millimeters of mercury; Humidity 77%; Wind speed 5.9 Meters per second, north-easterly; Daytime water temperature +12°

  • 15 December, Tuesday. morning, 10°; night, 6°; rain; Feels like +4°; Pressure 755 millimeters of mercury; Humidity 79%; Wind speed 6.5 Meters per second, north-easterly; Daytime water temperature +12°

  • 16 December, Wednesday. morning, 10°; night, 6°; rain; Feels like +4°; Pressure 756 millimeters of mercury; Humidity 80%; Wind speed 6.8 Meters per second, north-easterly; Daytime water temperature +12°

  • 17 December, Thursday. morning, 10°; night, 6°; rain; Feels like +3°; Pressure 756 millimeters of mercury; Humidity 78%; Wind speed 7 Meters per second, north-easterly; Daytime water temperature +12°

  • 18 December, Friday. morning, 10°; night, 5°; ; Feels like +3°; Pressure 756 millimeters of mercury; Humidity 79%; Wind speed 6.6 Meters per second, north-easterly; Daytime water temperature +12°

  • 19 December, Saturday. morning, 9°; night, 5°; rain; Feels like +3°; Pressure 756 millimeters of mercury; Humidity 80%; Wind speed 6 Meters per second, northerly; Daytime water temperature +12°

  • 20 December, Sunday. morning, 9°; night, 6°; ; Feels like +3°; Pressure 756 millimeters of mercury; Humidity 79%; Wind speed 6.6 Meters per second, north-westerly; Daytime water temperature +11°

  • 21 December, Monday. morning, 9°; night, 6°; rain; Feels like +3°; Pressure 756 millimeters of mercury; Humidity 78%; Wind speed 6.6 Meters per second, north-westerly; Daytime water temperature +11°

  • 22 December, Tuesday. morning, 9°; night, 6°; rain; Feels like +2°; Pressure 756 millimeters of mercury; Humidity 79%; Wind speed 6.6 Meters per second, north-easterly; Daytime water temperature +11°

  • 23 December, Wednesday. morning, 9°; night, 6°; rain; Feels like +3°; Pressure 754 millimeters of mercury; Humidity 79%; Wind speed 6.9 Meters per second, northerly; Daytime water temperature +12°

  • 24 December, Thursday. morning, 10°; night, 6°; ; Feels like +3°; Pressure 755 millimeters of mercury; Humidity 78%; Wind speed 7 Meters per second, north-westerly; Daytime water temperature +11°

  • 25 December, Friday. morning, 10°; night, 6°; ; Feels like +3°; Pressure 755 millimeters of mercury; Humidity 77%; Wind speed 6.6 Meters per second, westerly; Daytime water temperature +11°

  • 26 December, Saturday. morning, 10°; night, 6°; ; Feels like +3°; Pressure 756 millimeters of mercury; Humidity 76%; Wind speed 6.9 Meters per second, westerly; Daytime water temperature +11°

  • 27 December, Sunday. morning, 10°; night, 6°; ; Feels like +4°; Pressure 755 millimeters of mercury; Humidity 74%; Wind speed 6.5 Meters per second, south-westerly; Daytime water temperature +11°

  • 28 December, Monday. morning, 10°; night, 6°; ; Feels like +4°; Pressure 754 millimeters of mercury; Humidity 76%; Wind speed 6.9 Meters per second, southerly; Daytime water temperature +11°

  • 29 December, Tuesday. morning, 10°; night, 6°; rain; Feels like +3°; Pressure 754 millimeters of mercury; Humidity 78%; Wind speed 7 Meters per second, north-westerly; Daytime water temperature +11°

  • 30 December, Wednesday. morning, 9°; night, 6°; ; Feels like +2°; Pressure 755 millimeters of mercury; Humidity 78%; Wind speed 7.1 Meters per second, northerly; Daytime water temperature +11°

  • 31 December, Thursday. morning, 9°; night, 5°; rain; Feels like +3°; Pressure 756 millimeters of mercury; Humidity 80%; Wind speed 6.4 Meters per second, northerly; Daytime water temperature +11°

  • 1 January, Friday. morning, 9°; night, 5°; ; Feels like +3°; Pressure 756 millimeters of mercury; Humidity 80%; Wind speed 6.3 Meters per second, northerly; Daytime water temperature +11°

  • 2 January, Saturday. morning, 9°; night, 5°; ; Feels like +3°; Pressure 755 millimeters of mercury; Humidity 80%; Wind speed 5.4 Meters per second, south-westerly; Daytime water temperature +10°

December in Istanbul is the rainiest month of the year. In December, the weather in Istanbul is typically cold. The average daily high in December is 9 degrees above zero. On average, Istanbul has 14 rainy, 12 cloudy, and 7 sunny days in December. December along with January, February, and March is considered the least comfortable time to visit Istanbul.