The best time to travel to Istanbul is spring and autumn. Specifically, from April to May and from September to early October are the very best times. Istanbul has nice weather during these months, as well as lots of festivals, drawing tourists from all over the world. In this article, you will discover what the weather is like in Istanbul on a month-by-month basis, how hot it is in Istanbul in the summer, how cold and rainy it is in the winter, and what you can do in Istanbul if you have bad luck with the weather.
Monthly weather and climate in Istanbul
The rainiest months in Istanbul are November, December and January.
The hottest months are July and August.
The best months to travel to Istanbul (in terms of the weather) are April, May, September and early October.
Find cheap flights Taxi from / to airports Things to do in Istanbul
I suggest to start by looking at the graph, below, which illustrates the average temperature and the amount of precipitation in Istanbul on a month-by-month basis. These are the figures and graphs which are most often cited in articles and guidebooks about Istanbul.

Looking at the climate of Istanbul, based just on these figures, the picture is far from complete:
- 28 oC in the summer doesn't look very hot,
- 9 oC in the winter is not cold at all.
But these numbers are only the average daily temperature.
To give you the opportunity to see how hot it can be in Istanbul in the summer, or how cold it can be in the winter, I created another chart and table for this article:

What do you say about:
- + 41 oC in July,
- minus 16 oC in February or
- 18 rainy days in January?
Of course, there is no guarantee that you will experience these extreme temperatures by yourself.
But if you are arriving in Istanbul in the summer, you should be prepared for extreme heat. During the summer, even the locals try to escape from the concrete jungle of the city, on outings to the sea.
If you're travelling in Istanbul in the winter, grab an umbrella, as well as warm and wind-proof clothing.

What to do and what to see in Istanbul, if you have bad luck with the weather
In Istanbul, you can easily avoid bad weather and still have a fun time. Here are a few options for you:
- go to the hammam - Turkish bath (book hammam),
- spend a few hours in the Istanbul Archaeological Museum (you can buy Museum Pass to skip the ticket lines),
- look into the Great Palace of Constantinople Mosaic Museum,
- stroll through the famous bazaars and shopping centers of Istanbul (order a shopping tour),
- relax and enjoy a few drinks in the famous bars of Istanbul (book a party),
- visit the Istanbul Aquarium (get a transfer to the Aquarium),
- learn how to cook traditional Turkish dishes (book a course).
- see the show of the Whirling Dervishes (buy a ticket).
Do you know how to get from Istanbul airport to your hotel? This article can help you - How to Get from the New Airport to Istanbul.