Click on a day for an hourly weather forecast
The weather in Istanbul in July is very hot. The average temperatures are between 23°C and 28°C, drinking water regularly is advisable.
You can expect a few rainy days in Istanbul during July, but usually the weather is comfortable in July.
Our weather forecast can give you a great sense of what weather to expect in Istanbul in July 2025.
If you’re planning to visit Istanbul in the near future, we highly recommend that you review the 14 day weather forecast for Istanbul before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 5° | 8 | 17 | 5 | 103 mm | Awful | Istanbul in January |
| February | 10° / 6° | 7 | 19 | 3 | 90 mm | Awful | Istanbul in February |
| March | 12° / 7° | 7 | 23 | 2 | 84 mm | Awful | Istanbul in March |
| April | 16° / 10° | 5 | 25 | 0 | 67 mm | Good | Istanbul in April |
| May | 22° / 15° | 5 | 26 | 0 | 62 mm | Good | Istanbul in May |
| June | 26° / 20° | 4 | 26 | 0 | 64 mm | Perfect | Istanbul in June |
| July | 28° / 23° | 1 | 30 | 0 | 28 mm | Perfect | Istanbul in July |
| August | 28° / 23° | 1 | 30 | 0 | 19 mm | Perfect | Istanbul in August |
| September | 25° / 21° | 3 | 27 | 0 | 63 mm | Perfect | Istanbul in September |
| October | 20° / 16° | 4 | 27 | 0 | 99 mm | Good | Istanbul in October |
| November | 16° / 13° | 4 | 26 | 0 | 65 mm | Good | Istanbul in November |
| December | 11° / 8° | 7 | 22 | 1 | 100 mm | Bad | Istanbul in December |