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Climate & Temperature > Finland > Helsinki Climate
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Helsinki Climate & Temperature

  • Helsinki, Finland is at 60°10'N, 24°37'E, 51 m (167 ft). See map.
  • Helsinki has a humid continental climate with severe winters, no dry season, warm summers and strong seasonality (Köppen-Geiger classification: Dfb).
  • According to the Holdridge life zones system of bioclimatic classification Helsinki is situated in or near the boreal wet forest biome.
  • The annual average temperature is 4.8 degrees Celsius (40.7 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 24 °C (43.2°F). This indicates that the continentality type is continental, subtype subcontinental.
  • In the winter time records indicate temperatures by day reach -2.7°C (27.2°F) on average falling to -7.7°C (18.2°F) overnight.
  • In spring time temperatures climb reaching 6.7°C (44°F) generally in the afternoon with overnight lows of -1.3°C (29.6°F).
  • During summer average high temperatures are 20.3°C (68.6°F) and average low temperatures are 11.3°C (52.4°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 8.7°C (47.6°F) during the day and lows of 3.3°C (38°F) generally shortly after sunrise.
  • Total annual Precipitation averages 688 mm (27.1 inches) which is equivalent to 688 Litres/m² (16.87 Gallons/ft²).
  • On average there are 1802 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Helsinki you would pop up nearest to the climate station at Mcmurdo Sound, Antarctica where you would find a Ice Cap climate.

Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
maximum temperature iconAverage Max Temperature °C ( °F) -3 (27) -4 (25) 0 (32) 6 (43) 14 (57) 19 (66) 22 (72) 20 (68) 15 (59) 8 (46) 3 (37) -1 (30) 8 (47)
average temperature iconAverage Temperature °C ( °F) -6 (21) -7 (20) -4 (26) 3 (37) 9 (48) 14 (57) 18 (64) 16 (61) 12 (53) 6 (42) 1 (34) -3 (27) 5 (41)
minimum temperature iconAverage Min Temperature °C ( °F) -9 (16) -9 (16) -7 (19) -1 (30) 4 (39) 9 (48) 13 (55) 12 (54) 8 (46) 3 (37) -1 (30) -5 (23) 1 (35)
rainfall iconAverage Precipitation mm (in) 56 (2) 42 (2) 36 (1) 44 (2) 41 (2) 51 (2) 68 (3) 72 (3) 71 (3) 73 (3) 68 (3) 66 (3) 688 (27)
rain days iconNumber of Wet Days (probability of rain on a day) 20 (65%) 18 (64%) 14 (45%) 13 (43%) 12 (39%) 13 (43%) 14 (45%) 15 (48%) 15 (50%) 18 (58%) 19 (63%) 20 (65%)   191 (52%)
sunshine iconAverage Sunlight Hours/ Day 01:05 02:13 04:21 06:08 08:42 09:48 09:30 08:05 05:04 02:27 01:00 00:34   04:56
daylight iconAverage Daylight Hours & Minutes/ Day 6h 47' 9h 05' 11h 47' 14h 37' 17h 14' 18h 46' 18h 03' 15h 41' 12h 53' 10h 03' 7h 27' 5h 59'   12h 00'
sunny or cloudy iconPercentage of Sunny (Cloudy) Daylight Hours 17 (83) 26 (74) 38 (62) 43 (57) 52 (48) 53 (47) 54 (46) 53 (47) 41 (59) 25 (75) 14 (86) 10 (90)   41 (59)
sun altitude iconSun altitude at solar noon on the 21st day (°). 10 19.3 30.1 41.8 50.1 53.3 50.3 41.9 30.5 19.1 9.9 6.5   30.2

Helsinki Climate Comparisons

In depth comparisons with over 3,600 world destinations. Better understand a climate by comparing it relative to one you know (check it out):

Bangkok, Beijing, Bogotá, Buenos Aires, Cairo, Delhi, Dhaka, Guangzhou, Istanbul, Jakarta, Karachi, Kolkata, Lagos, London, Los Angeles, Manila, Mexico City, Moscow, Mumbai, New York, Osaka, Rio de Janeiro, São Paulo, Seoul, Shanghai, Tokyo, other.

Helsinki Climate Graph in Metric Units

Helsinki Climate Graph

Helsinki Climograph in English Units

Helsinki Climate Graph

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