Average monthly snow and rainfall in Istanbul
The mean monthly precipitation over the year in Istanbul (Marmara Region), including rain, snow, hail.
- Most rainfall (rainy season) is seen in December.
- On average, December is the wettest month with 103 mm of precipitation.
- On average, August is the driest month with 24 mm of precipitation.
- The average amount of annual precipitation is 730 mm.
Weather Forecasts for Istanbul
partly cloudy and no rain
almost clear and no rain
broken clouds and chance of slight rain