Best year time to visit Istambul

General weather information about Istambul

Average annual temperature is 6.7 °C

Absolute maximum temperature: 31.8 °C

Absolute minimum temperature: -30.6 °C

Number of sunny days: 143 days

Number of rainy days: 174 days

Number of snow days: 48 days

Look at detailed online map of Istambul

* Weather data for Istambul Russia is based on climate observations for 2026 year

Istambul air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.83.015.827.028.025.631.831.525.223.115.02.6
Average daytime temperature (°C)-7.1-5.06.415.319.820.624.426.020.510.03.6-3.9
Average temperature (°C)-10.5-7.22.59.314.615.819.620.414.46.11.2-6.4
Average night temperature (°C)-14.0-9.9-1.73.08.610.314.514.68.92.2-1.7-8.7
Absolute minimum temperature (°C)-30.6-18.0-11.0-3.7-0.65.49.86.05.4-4.2-12.4-20.6

Istambul monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.014.016.016.016.015.013.011.09.07.0
Daylight mean duration (h)8.29.911.914.015.816.816.314.712.710.68.77.7
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)3.82.16.69.711.311.311.412.310.54.42.40.8
Precipitation (mm)3243463457751252326779468
Sunny days20691715971920993
Rainy days6614131621241210211813
Snow days51680000001315

Istambul - weather forecast by months

Istambul weather in januaryIstambul weather in februaryIstambul weather in marchIstambul weather in aprilIstambul weather in mayIstambul weather in juneIstambul weather in julyIstambul weather in augustIstambul weather in septemberIstambul weather in octoberIstambul weather in novemberIstambul weather in december

Best time to visit Istambul:

The best time to visit Istambul during the most sunny months:

  • April — 9.7(h)
  • May — 11.3(h)
  • June — 11.3(h)
  • July — 11.4(h)
  • August — 12.3(h)
  • September — 10.5(h)

Months with the longest average daylight duration in Istambul:

  • May — 15.8(h)
  • June — 16.8(h)
  • July — 16.3(h)

The largest precipitation sum in Istambul is at

  • June — 75(mm)
  • July — 125(mm)
  • October — 77(mm)
  • November — 94(mm)

    • Weather forecast in the closest to Istambul admin centers

    Weather forecast in the closest towns to Istambul

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    Frequently asked questions

    When is the best time to visit Istambul?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Istambul.
    What is the weather like in Istambul?
    See average temperature, rainfall and daylight hours for Istambul by month in the table above.
    How many sunny days does Istambul have?
    The monthly weather statistics above show sunshine and rainfall patterns for Istambul throughout the year.