TurkeyCountries Turkey Marmara Region Istanbul
TurkeyTurkey Marmara Region Istanbul
Istanbul
Weather averages
ClimateForecastAprilMay >>

Climate in Istanbul (Marmara Region), Turkey

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Istanbul, Turkey

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Istanbul, Turkey

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Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average monthly percentage of sunshine in Istanbul, Turkey

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Average water temperature

The mean water temperature over the year.

Average monthly water temperature in Istanbul, Turkey

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Istanbul, Turkey

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Istanbul, Turkey

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Weather Forecasts for Istanbul

Sat   Apr 20
15°C | 10°C
N 29 km/h
30 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Sun   Apr 21
19°C | 9°C
S 14 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Mon   Apr 22
20°C | 13°C
SW 18 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Istanbul in Turkey

During winter months (January and December) Istanbul can experience heavy snowfall, but most of winter it has a pleasant average temperature temperature of around 15°C.

Istanbul can best be visited in spring (May and June) or autumn (September and October) with temperatures between 22°C and 30°C. During summer it tends to be to hot to visit the city with average temperatures between 30°C and 35°C.

Throughout the year Istanbul is very windy.

During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in Istanbul?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Istanbul?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Istanbul?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in Istanbul?
    December tops the wettest month list with 103 mm of rainfall.
  • Which is the driest month in Istanbul?
    August is the driest month with 24 mm of precipitation.
  • Which is the sunniest month in Istanbul?
    July is the sunniest month with an average of 318 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     

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