What is the Climate, Average Temperature/ Weather in Helsinki?

Whether you wish to travel to Helsinki, Finland (Latitude & Longitude: see map search field. Altitude: 51 m or 167 ft) on holiday, business or vacation, are interested in buying property there or are looking to migrate the following Helsinki climate, temperature and weather information should prove helpful:

  • The average temperature in Helsinki, Finland is 4.8 °C (41 °F).
  • The average temperature range is 24 °C.
  • The highest monthly average high temperature is 22 °C (72 °F) in July.
  • The lowest monthly average low temperature is -9 °C (16 °F) in January & February.
  • Helsinki's climate receives an average of 688 mm (27.1 in) of rainfall per year, or 57 mm (2.3 in) per month.
  • On average there are 191 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 16 days with a quantity of rain, sleet, snow etc. per month.
  • The driest weather is in March when an average of 36 mm (1.4 in) of rainfall (precipitation) occurrs across 14 days.
  • The wettest weather is in October when an average of 73 mm (2.9 in) of rainfall (precipitation) occurrs across 18 days.
  • The average annual relative humidity is 79.9% and average monthly relative humidity ranges from 64% in May, June to 91% in December.
  • Average sunlight hours in Helsinki range between 0.6 hours per day in December and 9.8 hours per day in June.
  • There are an average of 1802 hours of sunlight per year with an average of 4.9 hours of sunlight per day.
  • There are an average of 137 days per year with frost in Helsinki and in January there are an average of 28 days with frost.

Helsinki Climate Graph (metric)

Helsinki Climate


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Helsinki Weather Averages

  Average Minimum Temperatures in Helsinki, Finland (°C) Average Maximum Temperature in Helsinki, Finland (°C) Helsinki Average Temperature (°C) Average Sea Temp (°C) Average Rainfall/ Precipitation (mm) Wet Days (>0.1 mm) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed in Helsinki (Beaufort) Average Number of Days with Frost  
Weather in Helsinki in January -9 -3 -6 1 56 20 1.1 89 3 28 Average Temperature in Helsinki in January
Weather in Helsinki in February -9 -4 -6.5 0 42 18 2.2 88 3 26 Average Temperature in Helsinki in February
Weather in Helsinki in March -7 0 -4 0 36 14 4.4 78.0 3 27 Average Temperature in Helsinki in March
Weather in Helsinki in April -1 6 3 1 44 13 6.1 75 3 14 Average Temperature in Helsinki in April
Weather in Helsinki in May 4 14 9 5 41 12 8.7 64 3 1 Average Temperature in Helsinki in May
Weather in Helsinki in June 9 19 14 11 51 13 9.8 64 3 0 Average Temperature in Helsinki in June
Weather in Helsinki in July 13 22 18 14 68 14 9.5 70 3 0 Average Temperature in Helsinki in July
Weather in Helsinki in August 12 20 16 15 72 15 8.1 77 3 0 Average Temperature in Helsinki in August
Weather in Helsinki in September 8 15 12 13 71 15 5.1 85 3 0 Average Temperature in Helsinki in September
Weather in Helsinki in October 3 8 6 8 73 18 2.5 89 3 6 Average Temperature in Helsinki in October
Weather in Helsinki in November -1 3 1 5 68 19 1.0 89 3 14 Average Temperature in Helsinki in November
Weather in Helsinki in December -5 -1 -3 2 66 20 0.6 91 3 21 Average Temperature in Helsinki in December

Helsinki Climate Chart (imperial)

Helsinki Temperature Chart

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Helsinki Temperatures in Farenheit

  Average Minimum Temperatures in Helsinki, Finland (°F) Average Maximum Temperature in Helsinki, Finland (°F) Average Temperature (°F) Average Sea Temp (°F) Average Rainfall (in) Wet Days (>0.004 in) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed (Beaufort) Average Number of Days with Frost  
Temperatures in Helsinki in January 16 27 21 34 2.2 20 1.1 89 3 28 Climate in Helsinki in January
Temperatures in Helsinki in February 16 25 20 32 1.7 18 2.2 88 3 26 Climate in Helsinki in February
Temperatures in Helsinki in March 19 32 26 32 1.4 14 4.4 78 3 27 Climate in Helsinki in March
Temperatures in Helsinki in April 30 43 37 34 1.7 13 6.1 75 3 14 Climate in Helsinki in April
Temperatures in Helsinki in May 39 57 48 41 1.6 12 8.7 64 3 1 Climate in Helsinki in May
Temperatures in Helsinki in June 48 66 57 52 2.0 13 9.8 64 3 0 Climate in Helsinki in June
Temperatures in Helsinki in July 55 72 64 57 2.7 14 9.5 70 3 0 Climate in Helsinki in July
Temperatures in Helsinki in August 54 68 61 59 2.8 15 8.1 77 3 0 Climate in Helsinki in August
Temperatures in Helsinki in September 46 59 53 55 2.8 15 5.1 85 3 0 Climate in Helsinki in September
Temperatures in Helsinki in October 37 46 42 46 2.9 18 2.5 89 3 6 Climate in Helsinki in October
Temperatures in Helsinki in November 30 37 34 41 2.7 19 1.0 89 3 14 Climate in Helsinki in November
Temperatures in Helsinki in December 23 30 27 36 2.6 20 0.6 91 3 21 Climate in Helsinki in December

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