Finland Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

  • Helsinki, Finland latitude & longitude; 60°10'N 24°37'E.
  • Altitude; 51 m (167 ft).
  • The average temperature in Finland is 4.8 °C (41 °F).
  • The range of average monthly temperatures is 24 °C.
  • The warmest average max/ high temperature is 22 °C (72 °F) in July.
  • The coolest average min/ low temperature is -9 °C (16 °F) in January & February.
  • Finland receives on average 688 mm (27.1 in) of precipitation annually or 57 mm (2.3 in) each month.
  • On balance there are 191 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 16 days on an average month.
  • The month with the driest weather is March when on balance 36 mm (1.4 in) of rain, sleet, hail or snow falls across 14 days.
  • The month with the wettest weather is October when on balance 73 mm (2.9 in) of rain, sleet, hail or snow falls across 18 days.
  • Mean relative humidity for an average year is recorded as 79.9% and on a monthly basis it ranges from 64% in May, June to 91% in December.
  • There is an average range of hours of sunshine in Finland of between 0.6 hours per day in December and 9.8 hours per day in June.
  • On balance there are 1802 sunshine hours annually and approximately 4.9 sunlight hours for each day.
  • On balance there are 137 days annually registering frost in Finland and in January there are on average 28 days with frost.

Finland Climate Graph (Metric | Imperial units)

Finland Climate Graph

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Finland Weather Averages

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

Finland Climograph/ Climate Chart (imperial)

Finland Temperature Chart

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Finland Temperatures in Farenheit

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

Figures for Helsinki, Finland. See also:


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