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May weather forecast in Helsinki

Average data for 10 years

  • 26 April, Sunday. morning, 10°; night, 2°; ; Feels like +2°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 4.5 Meters per second, south-westerly; Daytime water temperature +4°

  • 27 April, Monday. morning, 10°; night, 2°; ; Feels like +2°; Pressure 759 millimeters of mercury; Humidity 69%; Wind speed 4.6 Meters per second, south-westerly; Daytime water temperature +4°

  • 28 April, Tuesday. morning, 10°; night, 2°; ; Feels like +2°; Pressure 759 millimeters of mercury; Humidity 71%; Wind speed 4.6 Meters per second, south-westerly; Daytime water temperature +4°

  • 29 April, Wednesday. morning, 10°; night, 1°; rain; Feels like +2°; Pressure 759 millimeters of mercury; Humidity 72%; Wind speed 4.6 Meters per second, north-westerly; Daytime water temperature +4°

  • 30 April, Thursday. morning, 9°; night, 2°; ; Feels like +2°; Pressure 759 millimeters of mercury; Humidity 71%; Wind speed 4.6 Meters per second, south-westerly; Daytime water temperature +4°

  • 1 May, Friday. morning, 10°; night, 2°; ; Feels like +2°; Pressure 759 millimeters of mercury; Humidity 68%; Wind speed 4.9 Meters per second, south-westerly; Daytime water temperature +4°

  • 2 May, Saturday. morning, 11°; night, 2°; rain; Feels like +2°; Pressure 758 millimeters of mercury; Humidity 69%; Wind speed 5.4 Meters per second, south-westerly; Daytime water temperature +5°

  • 3 May, Sunday. morning, 11°; night, 2°; ; Feels like +3°; Pressure 757 millimeters of mercury; Humidity 66%; Wind speed 5 Meters per second, westerly; Daytime water temperature +5°

  • 4 May, Monday. morning, 11°; night, 3°; rain; Feels like +3°; Pressure 758 millimeters of mercury; Humidity 70%; Wind speed 4.5 Meters per second, westerly; Daytime water temperature +5°

  • 5 May, Tuesday. morning, 11°; night, 3°; rain; Feels like +3°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 5 Meters per second, westerly; Daytime water temperature +5°

  • 6 May, Wednesday. morning, 11°; night, 3°; ; Feels like +3°; Pressure 758 millimeters of mercury; Humidity 67%; Wind speed 5 Meters per second, westerly; Daytime water temperature +5°

  • 7 May, Thursday. morning, 12°; night, 3°; ; Feels like +3°; Pressure 759 millimeters of mercury; Humidity 67%; Wind speed 4.8 Meters per second, westerly; Daytime water temperature +5°

  • 8 May, Friday. morning, 12°; night, 3°; ; Feels like +4°; Pressure 760 millimeters of mercury; Humidity 65%; Wind speed 4.6 Meters per second, westerly; Daytime water temperature +5°

  • 9 May, Saturday. morning, 13°; night, 4°; ; Feels like +5°; Pressure 760 millimeters of mercury; Humidity 65%; Wind speed 5 Meters per second, south-westerly; Daytime water temperature +5°

  • 10 May, Sunday. morning, 13°; night, 4°; rain; Feels like +5°; Pressure 759 millimeters of mercury; Humidity 68%; Wind speed 5 Meters per second, south-westerly; Daytime water temperature +6°

  • 11 May, Monday. morning, 13°; night, 3°; ; Feels like +5°; Pressure 758 millimeters of mercury; Humidity 68%; Wind speed 5 Meters per second, westerly; Daytime water temperature +6°

  • 12 May, Tuesday. morning, 13°; night, 4°; ; Feels like +5°; Pressure 759 millimeters of mercury; Humidity 62%; Wind speed 4.5 Meters per second, westerly; Daytime water temperature +6°

  • 13 May, Wednesday. morning, 14°; night, 5°; ; Feels like +6°; Pressure 758 millimeters of mercury; Humidity 65%; Wind speed 4.5 Meters per second, westerly; Daytime water temperature +6°

  • 14 May, Thursday. morning, 14°; night, 5°; ; Feels like +6°; Pressure 758 millimeters of mercury; Humidity 66%; Wind speed 5 Meters per second, westerly; Daytime water temperature +6°

  • 15 May, Friday. morning, 14°; night, 4°; ; Feels like +6°; Pressure 758 millimeters of mercury; Humidity 66%; Wind speed 4.6 Meters per second, westerly; Daytime water temperature +7°

  • 16 May, Saturday. morning, 13°; night, 5°; rain; Feels like +6°; Pressure 758 millimeters of mercury; Humidity 69%; Wind speed 4.5 Meters per second, south-westerly; Daytime water temperature +7°

  • 17 May, Sunday. morning, 13°; night, 5°; rain; Feels like +6°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 4.5 Meters per second, south-westerly; Daytime water temperature +7°

  • 18 May, Monday. morning, 14°; night, 6°; rain; Feels like +6°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 4.8 Meters per second, westerly; Daytime water temperature +7°

  • 19 May, Tuesday. morning, 14°; night, 6°; ; Feels like +7°; Pressure 757 millimeters of mercury; Humidity 70%; Wind speed 5.1 Meters per second, south-westerly; Daytime water temperature +8°

  • 20 May, Wednesday. morning, 15°; night, 6°; ; Feels like +7°; Pressure 758 millimeters of mercury; Humidity 65%; Wind speed 4.6 Meters per second, westerly; Daytime water temperature +8°

  • 21 May, Thursday. morning, 15°; night, 6°; ; Feels like +8°; Pressure 758 millimeters of mercury; Humidity 64%; Wind speed 4.8 Meters per second, south-westerly; Daytime water temperature +9°

  • 22 May, Friday. morning, 16°; night, 6°; ; Feels like +9°; Pressure 758 millimeters of mercury; Humidity 66%; Wind speed 4.5 Meters per second, southerly; Daytime water temperature +9°

  • 23 May, Saturday. morning, 15°; night, 6°; rain; Feels like +8°; Pressure 757 millimeters of mercury; Humidity 70%; Wind speed 4.9 Meters per second, south-westerly; Daytime water temperature +9°

  • 24 May, Sunday. morning, 14°; night, 7°; ; Feels like +7°; Pressure 757 millimeters of mercury; Humidity 71%; Wind speed 4.8 Meters per second, south-westerly; Daytime water temperature +9°

  • 25 May, Monday. morning, 15°; night, 7°; ; Feels like +8°; Pressure 758 millimeters of mercury; Humidity 70%; Wind speed 5 Meters per second, south-westerly; Daytime water temperature +9°

  • 26 May, Tuesday. morning, 15°; night, 7°; rain; Feels like +8°; Pressure 757 millimeters of mercury; Humidity 73%; Wind speed 5.3 Meters per second, south-westerly; Daytime water temperature +9°

  • 27 May, Wednesday. morning, 15°; night, 7°; ; Feels like +8°; Pressure 757 millimeters of mercury; Humidity 72%; Wind speed 5 Meters per second, south-westerly; Daytime water temperature +9°

  • 28 May, Thursday. morning, 15°; night, 7°; ; Feels like +8°; Pressure 758 millimeters of mercury; Humidity 70%; Wind speed 5 Meters per second, westerly; Daytime water temperature +10°

  • 29 May, Friday. morning, 15°; night, 7°; rain; Feels like +8°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 4.6 Meters per second, westerly; Daytime water temperature +10°

  • 30 May, Saturday. morning, 15°; night, 7°; ; Feels like +9°; Pressure 759 millimeters of mercury; Humidity 69%; Wind speed 4.5 Meters per second, westerly; Daytime water temperature +10°

  • 31 May, Sunday. morning, 16°; night, 7°; ; Feels like +9°; Pressure 759 millimeters of mercury; Humidity 67%; Wind speed 5 Meters per second, south-westerly; Daytime water temperature +10°

  • 1 June, Monday. morning, 17°; night, 8°; ; Feels like +9°; Pressure 759 millimeters of mercury; Humidity 65%; Wind speed 5.3 Meters per second, south-westerly; Daytime water temperature +10°

  • 2 June, Tuesday. morning, 16°; night, 8°; ; Feels like +9°; Pressure 758 millimeters of mercury; Humidity 68%; Wind speed 5.1 Meters per second, south-westerly; Daytime water temperature +10°

  • 3 June, Wednesday. morning, 17°; night, 8°; ; Feels like +10°; Pressure 758 millimeters of mercury; Humidity 67%; Wind speed 5.5 Meters per second, south-westerly; Daytime water temperature +10°

  • 4 June, Thursday. morning, 17°; night, 8°; ; Feels like +10°; Pressure 757 millimeters of mercury; Humidity 68%; Wind speed 5 Meters per second, westerly; Daytime water temperature +10°

  • 5 June, Friday. morning, 17°; night, 8°; ; Feels like +10°; Pressure 758 millimeters of mercury; Humidity 65%; Wind speed 5 Meters per second, westerly; Daytime water temperature +11°

  • 6 June, Saturday. morning, 17°; night, 9°; ; Feels like +10°; Pressure 759 millimeters of mercury; Humidity 66%; Wind speed 4.8 Meters per second, south-westerly; Daytime water temperature +11°

May in Helsinki is the sunniest month of the year. In May, the weather in Helsinki is typically warm. The average daily high in May is 11 degrees above zero. On average, Helsinki has 10 rainy, 10 sunny, and 6 cloudy days in May.