Istanbul
August
Weather in Istanbul for August 2025
Your guide to Istanbul weather in August - trends and predictions
In general, the average temperature in Istanbul at the beginning of August is 30.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29 °C by the end of August.
Istanbul sees moderate rainfall in August, averaging 6 rainy days.
Is August a good time to visit Istanbul? check out the best time to travel to Istanbul page.
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25
Dry days
6
Rainy days
0
Snow days
29°/23°
Temperatures
27 km/h
Avg max wind
63 %
Avg humidity
Istanbul in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  30° | 3 32° | ||||
| 4 32° | 5 30° | 6 31° | 7 28° | 8 28° | 9 27° | 10 28° |
| 11 29° | 12 29° | 13 29° | 14 30° | 15  30° | 16  29° | 17 29° |
| 18 29° | 19 29° | 20 31° | 21 31° | 22 31° | 23 31° | 24 30° |
| 25 30° | 26 29° | 27  29° | 28 29° | 29 29° | 30 28° | 31 29° |
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Temperatures trend during August in Istanbul
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Patchy rain possible | 29° /22° | 0.1 mm | 7 | |
| 2 Aug. | Sunny | 30° /22° | 0 mm | 8 | |
| 3 Aug. | Sunny | 32° /23° | 0 mm | 8 | |
| 4 Aug. | Sunny | 32° /24° | 0 mm | 8 | |
| 5 Aug. | Sunny | 30° /23° | 0 mm | 8 | |
| 6 Aug. | Sunny | 31° /23° | 0 mm | 8 | |
| 7 Aug. | Patchy rain possible | 28° /23° | 0.1 mm | 7 | |
| 8 Aug. | Patchy rain possible | 28° /22° | 0.3 mm | 7 | |
| 9 Aug. | Patchy rain possible | 27° /22° | 0.5 mm | 7 | |
| 10 Aug. | Patchy rain possible | 28° /23° | 0.6 mm | 7 | |
| 11 Aug. | Patchy rain possible | 29° /23° | 0.9 mm | 7 | |
| 12 Aug. | Sunny | 29° /22° | 0 mm | 8 | |
| 13 Aug. | Patchy rain possible | 29° /23° | 0.3 mm | 7 | |
| 14 Aug. | Patchy rain possible | 30° /24° | 0.7 mm | 7 | |
| 15 Aug. | Overcast | 30° /24° | 0 mm | 7 | |
| 16 Aug. | Cloudy | 29° /23° | 0 mm | 7 | |
| 17 Aug. | Sunny | 29° /23° | 0 mm | 8 | |
| 18 Aug. | Sunny | 29° /23° | 0 mm | 8 | |
| 19 Aug. | Sunny | 29° /23° | 0 mm | 7 | |
| 20 Aug. | Sunny | 31° /23° | 0 mm | 8 | |
| 21 Aug. | Sunny | 31° /23° | 0 mm | 8 | |
| 22 Aug. | Sunny | 31° /23° | 0 mm | 8 | |
| 23 Aug. | Sunny | 31° /23° | 0 mm | 8 | |
| 24 Aug. | Sunny | 30° /23° | 0 mm | 8 | |
| 25 Aug. | Sunny | 30° /23° | 0 mm | 8 | |
| 26 Aug. | Sunny | 29° /23° | 0.4 mm | 7 | |
| 27 Aug. | Partly cloudy | 29° /23° | 1.6 mm | 7 | |
| 28 Aug. | Cloudy | 29° /22° | 0 mm | 7 | |
| 29 Aug. | Sunny | 29° /23° | 0 mm | 7 | |
| 30 Aug. | Sunny | 28° /23° | 0.6 mm | 7 | |
| 31 Aug. | Overcast | 29° /23° | 0.9 mm | 7 | |
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Important Notice
Our weather forecast for Istanbul in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Istanbul forecast closer to your planned date for the most up-to-date weather information.
Istanbul in August - FAQ
What are the expected maximum and minimum temperatures in Istanbul during August?
During August, expect a variety of temperatures with highs around 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Istanbul during August?
Rainfall in Istanbul during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 6 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Istanbul during August?
The average wind speed in Istanbul during August is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Istanbul in August?
As you prepare for your trip to Istanbul in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Istanbul, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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