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December weather forecast in Helsinki

Average data for 10 years

  • 29 November, Sunday. morning, 1°; night, -1°; rain; Feels like −5°; Pressure 758 millimeters of mercury; Humidity 90%; Wind speed 5.9 Meters per second, southerly; Daytime water temperature +6°

  • 30 November, Monday. morning, 0°; night, -2°; snow; Feels like −5°; Pressure 757 millimeters of mercury; Humidity 89%; Wind speed 6.4 Meters per second, southerly; Daytime water temperature +6°

  • 1 December, Tuesday. morning, 0°; night, -2°; ; Feels like −5°; Pressure 756 millimeters of mercury; Humidity 89%; Wind speed 6.4 Meters per second, south-westerly; Daytime water temperature +6°

  • 2 December, Wednesday. morning, 0°; night, -2°; ; Feels like −5°; Pressure 757 millimeters of mercury; Humidity 90%; Wind speed 5.9 Meters per second, south-westerly; Daytime water temperature +6°

  • 3 December, Thursday. morning, 0°; night, -3°; ; Feels like −6°; Pressure 756 millimeters of mercury; Humidity 89%; Wind speed 5.5 Meters per second, south-westerly; Daytime water temperature +6°

  • 4 December, Friday. morning, 0°; night, -2°; ; Feels like −6°; Pressure 755 millimeters of mercury; Humidity 92%; Wind speed 5.5 Meters per second, southerly; Daytime water temperature +6°

  • 5 December, Saturday. morning, 0°; night, -1°; rain; Feels like −6°; Pressure 755 millimeters of mercury; Humidity 90%; Wind speed 5.9 Meters per second, south-westerly; Daytime water temperature +6°

  • 6 December, Sunday. morning, 0°; night, -2°; rain; Feels like −5°; Pressure 754 millimeters of mercury; Humidity 91%; Wind speed 6 Meters per second, southerly; Daytime water temperature +6°

  • 7 December, Monday. morning, 0°; night, -2°; ; Feels like −6°; Pressure 755 millimeters of mercury; Humidity 90%; Wind speed 5.6 Meters per second, south-westerly; Daytime water temperature +5°

  • 8 December, Tuesday. morning, 0°; night, -2°; rain; Feels like −5°; Pressure 756 millimeters of mercury; Humidity 89%; Wind speed 5.6 Meters per second, southerly; Daytime water temperature +5°

  • 9 December, Wednesday. morning, 0°; night, -2°; rain; Feels like −5°; Pressure 757 millimeters of mercury; Humidity 91%; Wind speed 5.9 Meters per second, southerly; Daytime water temperature +5°

  • 10 December, Thursday. morning, 1°; night, -1°; rain; Feels like −5°; Pressure 757 millimeters of mercury; Humidity 91%; Wind speed 5.5 Meters per second, south-westerly; Daytime water temperature +5°

  • 11 December, Friday. morning, 0°; night, -2°; rain; Feels like −5°; Pressure 756 millimeters of mercury; Humidity 92%; Wind speed 6 Meters per second, south-westerly; Daytime water temperature +5°

  • 12 December, Saturday. morning, 0°; night, -3°; ; Feels like −6°; Pressure 756 millimeters of mercury; Humidity 89%; Wind speed 6.1 Meters per second, north-westerly; Daytime water temperature +5°

  • 13 December, Sunday. morning, 0°; night, -3°; rain; Feels like −6°; Pressure 756 millimeters of mercury; Humidity 88%; Wind speed 5.9 Meters per second, south-westerly; Daytime water temperature +5°

  • 14 December, Monday. morning, 0°; night, -3°; ; Feels like −6°; Pressure 757 millimeters of mercury; Humidity 90%; Wind speed 5.1 Meters per second, southerly; Daytime water temperature +5°

  • 15 December, Tuesday. morning, 0°; night, -3°; rain; Feels like −7°; Pressure 756 millimeters of mercury; Humidity 91%; Wind speed 5.5 Meters per second, south-westerly; Daytime water temperature +5°

  • 16 December, Wednesday. morning, 0°; night, -3°; ; Feels like −6°; Pressure 755 millimeters of mercury; Humidity 91%; Wind speed 5.8 Meters per second, south-westerly; Daytime water temperature +5°

  • 17 December, Thursday. morning, 0°; night, -3°; ; Feels like −6°; Pressure 755 millimeters of mercury; Humidity 91%; Wind speed 6 Meters per second, south-westerly; Daytime water temperature +4°

  • 18 December, Friday. morning, 0°; night, -2°; rain; Feels like −6°; Pressure 755 millimeters of mercury; Humidity 91%; Wind speed 6.1 Meters per second, south-westerly; Daytime water temperature +5°

  • 19 December, Saturday. morning, 0°; night, -3°; ; Feels like −6°; Pressure 753 millimeters of mercury; Humidity 90%; Wind speed 6 Meters per second, south-westerly; Daytime water temperature +5°

  • 20 December, Sunday. morning, 0°; night, -4°; ; Feels like −6°; Pressure 754 millimeters of mercury; Humidity 89%; Wind speed 5.8 Meters per second, westerly; Daytime water temperature +4°

  • 21 December, Monday. morning, -1°; night, -5°; ; Feels like −8°; Pressure 754 millimeters of mercury; Humidity 88%; Wind speed 5.6 Meters per second, westerly; Daytime water temperature +4°

  • 22 December, Tuesday. morning, -1°; night, -5°; ; Feels like −8°; Pressure 753 millimeters of mercury; Humidity 89%; Wind speed 6 Meters per second, westerly; Daytime water temperature +4°

  • 23 December, Wednesday. morning, -1°; night, -5°; snow; Feels like −8°; Pressure 753 millimeters of mercury; Humidity 88%; Wind speed 6.1 Meters per second, westerly; Daytime water temperature +4°

  • 24 December, Thursday. morning, -1°; night, -4°; ; Feels like −8°; Pressure 753 millimeters of mercury; Humidity 88%; Wind speed 6.3 Meters per second, westerly; Daytime water temperature +4°

  • 25 December, Friday. morning, -1°; night, -4°; snow; Feels like −8°; Pressure 752 millimeters of mercury; Humidity 88%; Wind speed 6.4 Meters per second, south-westerly; Daytime water temperature +4°

  • 26 December, Saturday. morning, 0°; night, -3°; snow; Feels like −7°; Pressure 752 millimeters of mercury; Humidity 89%; Wind speed 6.5 Meters per second, westerly; Daytime water temperature +4°

  • 27 December, Sunday. morning, -1°; night, -4°; ; Feels like −7°; Pressure 753 millimeters of mercury; Humidity 89%; Wind speed 5.6 Meters per second, westerly; Daytime water temperature +4°

  • 28 December, Monday. morning, -1°; night, -4°; ; Feels like −8°; Pressure 756 millimeters of mercury; Humidity 88%; Wind speed 6 Meters per second, south-westerly; Daytime water temperature +4°

  • 29 December, Tuesday. morning, -1°; night, -4°; snow; Feels like −8°; Pressure 755 millimeters of mercury; Humidity 91%; Wind speed 6.1 Meters per second, southerly; Daytime water temperature +4°

  • 30 December, Wednesday. morning, 0°; night, -4°; rain; Feels like −7°; Pressure 754 millimeters of mercury; Humidity 91%; Wind speed 6.3 Meters per second, south-westerly; Daytime water temperature +4°

  • 31 December, Thursday. morning, -2°; night, -6°; ; Feels like −8°; Pressure 755 millimeters of mercury; Humidity 90%; Wind speed 5.5 Meters per second, westerly; Daytime water temperature +4°

  • 1 January, Friday. morning, -2°; night, -6°; ; Feels like −9°; Pressure 754 millimeters of mercury; Humidity 89%; Wind speed 5.5 Meters per second, southerly; Daytime water temperature +4°

  • 2 January, Saturday. morning, -3°; night, -7°; snow; Feels like −10°; Pressure 755 millimeters of mercury; Humidity 89%; Wind speed 5.9 Meters per second, south-easterly; Daytime water temperature +3°

December in Helsinki is the windiest month of the year. In December, the weather in Helsinki is typically freezing. The average daily high in December is 1 degree below zero. On average, Helsinki has 21 cloudy, 10 rainy, 4 snowy, and 3 sunny days in December. December along with March, April, October, and November is considered the least comfortable time to visit Helsinki.