Istanbul weather
Ten-year climate averages, month by month
Istanbul in august
Current month averages, based on ten years of records. Read the full guide →
Istanbul sits at 41°00′N 28°58′E in Turkey, in Asia. Its climate profile is shaped by these coordinates — and the ten years of records below reveal exactly how each season feels on the ground.
Below, you'll find monthly averages for temperature, rainfall and sunshine, drawn from the Open-Meteo Archive. Every month links to a full guide with what to pack, where to stay, and when to arrive.
The year in weather
Istanbul weather by month
Pick a month for the full climate guide — temperature, rainfall, sunshine, packing tips and hotel deals for Istanbul.
Places that feel like Istanbul in august
Istanbul weather — FAQ
Q01When is the best time to visit Istanbul?
When is the best time to visit Istanbul?
The best months to visit Istanbul are May, June, July, August. Ten-year daily records show these months hold the most stable mix of temperature, rainfall and sunshine.
Q02What is the hottest month in Istanbul?
What is the hottest month in Istanbul?
August runs the highest averages in Istanbul, with typical daytime highs of 29°C (84°F). Plan around midday and consider accommodation with reliable cooling.
Q03What is the coldest month in Istanbul?
What is the coldest month in Istanbul?
January brings the lowest averages, with daytime highs near 9°C (48°F). Layer up and expect shorter daylight hours if you plan sightseeing.
Q04Which month has the most rain in Istanbul?
Which month has the most rain in Istanbul?
January typically records the highest monthly rainfall — around 108mm on average. Plan indoor alternatives and pack proper rain gear if visiting this month.
Q05What is the climate like in Istanbul?
What is the climate like in Istanbul?
Istanbul, Turkey has warm summers, mild winters, moderate seasonal rainfall. You can read the detailed month-by-month breakdown on this page.
