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

Whether you wish to travel to Istanbul, Turkey (Latitude & Longitude: see map search field. Altitude: 40 m or 131 ft) on holiday, business or vacation, are interested in buying property there or are looking to migrate the following Istanbul climate, temperature and weather information should prove helpful:

  • The average temperature in Istanbul, Turkey is 14.1 °C (57 °F).
  • The average temperature range is 18 °C.
  • The highest monthly average high temperature is 28 °C (82 °F) in July & August.
  • The lowest monthly average low temperature is 2 °C (36 °F) in February.
  • Istanbul's climate receives an average of 439 mm (17.3 in) of rainfall per year, or 37 mm (1.4 in) per month.
  • On average there are 97 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 8.1 days with a quantity of rain, sleet, snow etc. per month.
  • The driest weather is in August when an average of 24 mm (0.9 in) of rainfall (precipitation) occurrs across 4 days.
  • The wettest weather is in May when an average of 78 mm (3.1 in) of rainfall (precipitation) occurrs across 6 days.
  • The average annual relative humidity is 75.4% and average monthly relative humidity ranges from 70% in July & August to 80% in January, November & December.
  • Average sunlight hours in Istanbul range between 2.6 hours per day in January and 11.6 hours per day in July.
  • There are an average of 2421 hours of sunlight per year with an average of 6.6 hours of sunlight per day.
  • There are an average of 25 days per year with frost in Istanbul and in January there are an average of 8 days with frost.

Istanbul Climate Graph (metric)

Istanbul Climate


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Istanbul Weather Averages

  Average Minimum Temperatures in Istanbul, Turkey (°C) Average Maximum Temperature in Istanbul, Turkey (°C) Istanbul Average Temperature (°C) Average Sea Temp (°C) Average Precipitation/ Rainfall (mm) Wet Days (>0.1 mm) Average Sunlight Hours/ Day Relative Humidity (%) Average Wind Speed in Istanbul (Beaufort) Average Number of Days with Frost  
Weather in Istanbul in January 3 8 5.5 8 27 12 2.6 80 2 7 Average Temperature in Istanbul in January
Weather in Istanbul in February 2 9 5.5 8 27 11 3.6 78 2 8 Average Temperature in Istanbul in February
Weather in Istanbul in March 3 11 7 7 34 10 4.5 76.0 2 5 Average Temperature in Istanbul in March
Weather in Istanbul in April 7 16 12 10 46 8 6.3 74 2 1 Average Temperature in Istanbul in April
Weather in Istanbul in May 12 21 17 14 78 6 8.6 74 2 0 Average Temperature in Istanbul in May
Weather in Istanbul in June 16 25 21 19 64 5 10.6 71 2 0 Average Temperature in Istanbul in June
Weather in Istanbul in July 18 28 23 21 28 3 11.6 70 2 0 Average Temperature in Istanbul in July
Weather in Istanbul in August 19 28 23.5 23 24 4 10.9 70 2 0 Average Temperature in Istanbul in August
Weather in Istanbul in September 16 24 20 21 25 6 8.2 74 2 0 Average Temperature in Istanbul in September
Weather in Istanbul in October 13 20 17 19 30 7 5.9 78 2 0 Average Temperature in Istanbul in October
Weather in Istanbul in November 9 15 12 15 29 11 3.7 80 2 1 Average Temperature in Istanbul in November
Weather in Istanbul in December 5 11 8 11 27 14 2.8 80 1 3 Average Temperature in Istanbul in December

Istanbul Climate Chart (imperial)

Istanbul Temperature Chart

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Istanbul Temperatures in Farenheit

  Average Minimum Temperatures in Istanbul, Turkey (°F) Average Maximum Temperature in Istanbul, Turkey (°F) Average Temperature (°F) Average Sea Temp (°F) Average Precipitation/ 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 Istanbul in January 37 46 42 46 1.1 12 2.6 80 2 7 Climate in Istanbul in January
Temperatures in Istanbul in February 36 48 42 46 1.1 11 3.6 78 2 8 Climate in Istanbul in February
Temperatures in Istanbul in March 37 52 45 45 1.3 10 4.5 76 2 5 Climate in Istanbul in March
Temperatures in Istanbul in April 45 61 53 50 1.8 8 6.3 74 2 1 Climate in Istanbul in April
Temperatures in Istanbul in May 54 70 62 57 3.1 6 8.6 74 2 0 Climate in Istanbul in May
Temperatures in Istanbul in June 61 77 69 66 2.5 5 10.6 71 2 0 Climate in Istanbul in June
Temperatures in Istanbul in July 64 82 73 70 1.1 3 11.6 70 2 0 Climate in Istanbul in July
Temperatures in Istanbul in August 66 82 74 73 0.9 4 10.9 70 2 0 Climate in Istanbul in August
Temperatures in Istanbul in September 61 75 68 70 1.0 6 8.2 74 2 0 Climate in Istanbul in September
Temperatures in Istanbul in October 55 68 62 66 1.2 7 5.9 78 2 0 Climate in Istanbul in October
Temperatures in Istanbul in November 48 59 54 59 1.1 11 3.7 80 2 1 Climate in Istanbul in November
Temperatures in Istanbul in December 41 52 46 52 1.1 14 2.8 80 1 3 Climate in Istanbul in December

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