Best year time to visit Istanbul

General weather information about Istanbul

Average annual temperature is 16.1 °C

Absolute maximum temperature: 38.1 °C

Absolute minimum temperature: -2.9 °C

Number of sunny days: 186 days

Number of rainy days: 179 days

Look at detailed online map of Istanbul

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

Istanbul air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.319.118.019.826.930.438.135.632.225.327.319.7
Average daytime temperature (°C)11.89.712.515.819.325.030.930.927.422.317.713.2
Average temperature (°C)8.86.69.312.115.421.125.826.222.918.514.810.5
Average night temperature (°C)6.03.76.59.012.317.520.522.519.415.211.67.8
Absolute minimum temperature (°C)-1.6-2.90.56.18.614.416.020.114.511.12.42.5

Istanbul 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)5.77.35.78.69.612.513.311.610.68.35.95.2
Precipitation (mm)23491291057130223703628798
Sunny days19149771723252021915
Rainy days1214222324138610102116
Snow days000000000000

Best time to visit Istanbul:

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

  • June — 12.5(h)
  • July — 13.3(h)
  • August — 11.6(h)

The largest precipitation sum in Istanbul is at

  • March — 129(mm)
  • April — 105(mm)
  • November — 287(mm)
  • December — 98(mm)