TurkeyThe weather in August in Istanbul
It's hot in August in Istanbul with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 32°C. At night, you can expect temperatures between 22°C and 24°C.
August is a good month to be in Istanbul for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Istanbul, Turkey. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 36°C in 2023, Istanbul reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 22°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 17°C to a highest value of 27°C.
Water temperature
The water temperature at Istanbul is 30°C this month. It’s really warm, perfect for a swim.
Rainfall amount
In August, there is an average of 25 mm of precipitation, spread over 5 days. The wind speed is around 4 Bft, mostly coming from the East.
Daily weather in August for Istanbul
Click on any day in August to get detailed info about the usual weather on that day in Istanbul. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Istanbul | New York | |
|---|---|---|
| Average temperature | 30°C | 30°C |
| Max. temperature | 32°C | 31°C |
| Min. temperature | 22°C | -5°C |
| Total precipitation | 25 mm | 79 mm |
| Rainy days | 5 days | 13 days |
Start of August
The month of August starts in Istanbul with hot temps, averaging around 31°C during the day and nights around 24°C.
Mid August
By mid-August, daytime temps drop to around 30°C, with nights around 23°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of August
By the end of August, the average daytime temperature in Istanbul is around 30°C, while nighttime temps are about 23°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Istanbul for all months and discover the best travel time
Curious about the weather in other parts of Turkey? Check out the climate and weather for spots like Antalya, Bodrum, Belek, or explore other destinations in Turkey.
Temperature charts
These charts show the average temperatures in August in Istanbul, Turkey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Istanbul
Temperature in August in Istanbul over the years
Precipitation charts
These charts show the average amount of precipitation in August in Istanbul, Turkey. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Istanbul
Total precipitation in August in Istanbul over the years
Daily UV index in August in Istanbul
This chart shows the average daily UV index in August in Istanbul, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Istanbul
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Average weather in Istanbul by month
Click on a month below to see detailed weather info for Istanbul. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.