Weather in Istanbul
Live weather and 7-day forecast for Istanbul, Türkiye, followed by what to expect in each month of the year.
Sunrise 07:23 Sunset 18:15 Daylight 10h 52m Sun times →
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7-day forecast
Forecast data from Open-Meteo
Climate in Istanbul: month by month
Averaged over 2023–2025, the warmest month in Istanbul is July, with highs around 31 °C (89 °F) and lows around 21 °C (69 °F); the coolest is February, with highs around 10 °C (50 °F) and lows around 4 °C (38 °F).
Istanbul gets about 756 mm (30 in) of precipitation a year. The wettest month is November (128 mm over about 10 days) and the driest is August (8 mm).
| Month | Avg high | Avg low | Precipitation (mm) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | 11° | 5° | 74 | 10 | 9h 33m |
| February | 10° | 4° | 57 | 10 | 10h 38m |
| March | 15° | 6° | 81 | 13 | 11h 53m |
| April | 17° | 9° | 73 | 9 | 13h 17m |
| May | 21° | 12° | 71 | 12 | 14h 28m |
| June | 28° | 18° | 19 | 4 | 15h 6m |
| July | 31° | 21° | 21 | 4 | 14h 51m |
| August | 30° | 21° | 8 | 3 | 13h 50m |
| September | 26° | 18° | 56 | 8 | 12h 31m |
| October | 21° | 13° | 65 | 7 | 11h 10m |
| November | 17° | 10° | 128 | 10 | 9h 55m |
| December | 12° | 7° | 103 | 13 | 9h 15m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at Istanbul's coordinates (model elevation 36 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for Istanbul
What is the hottest month in Istanbul?
July, with average highs of 31 °C (89 °F) and lows of 21 °C (69 °F) over 2023–2025. The coolest month is February, averaging 10 °C (50 °F) by day and 4 °C (38 °F) at night.
What is the rainiest month in Istanbul?
November, with about 128 mm of precipitation on roughly 10 days. The driest month is August (8 mm), and the yearly total is around 756 mm.
When is the weather mildest in Istanbul?
Going by the averages, May and September–October are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. November is the month most likely to bring rain.
More about Istanbul
Weather in nearby cities
More for Istanbul
More for Istanbul: local time, sunrise and sunset, moon phases, and the exact time zone.
About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Istanbul local time (Europe/Istanbul).