Best year time to visit İstanbul

General weather information about İstanbul

Average annual temperature is 16.0 °C

Absolute maximum temperature: 38.9 °C

Absolute minimum temperature: -2.6 °C

Number of sunny days: 185 days

Number of rainy days: 180 days

Look at detailed online map of İstanbul

* Weather data for İstanbul Turkey is based on climate observations for 2026 year

İstanbul air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.019.919.520.627.430.638.936.233.425.627.620.0
Average daytime temperature (°C)12.09.912.816.219.625.231.331.327.522.417.913.5
Average temperature (°C)8.76.69.412.315.621.025.726.222.718.414.710.4
Average night temperature (°C)5.83.66.69.212.417.320.022.218.714.811.27.4
Absolute minimum temperature (°C)-1.2-2.6-0.45.38.712.515.219.713.010.52.01.2

İstanbul monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.114.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.67.45.78.49.412.413.211.610.78.45.95.2
Precipitation (mm)24551361016846254444226276
Sunny days191289101623251920816
Rainy days1216232121148611112215
Snow days000000000000

İstanbul - weather forecast by months

İstanbul weather in januaryİstanbul weather in februaryİstanbul weather in marchİstanbul weather in aprilİstanbul weather in mayİstanbul weather in juneİstanbul weather in julyİstanbul weather in augustİstanbul weather in septemberİstanbul weather in octoberİstanbul weather in novemberİstanbul weather in december

Best time to visit İstanbul:

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

  • June — 12.4(h)
  • July — 13.2(h)
  • August — 11.6(h)

The largest precipitation sum in İstanbul is at

  • March — 136(mm)
  • April — 101(mm)
  • November — 262(mm)

    • Weather forecast in the closest to İstanbul admin centers

    Weather forecast in the closest towns to İstanbul

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    MapTrains schedule
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    Frequently asked questions

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