Istanbul Weather: August
 |
Average Day Temperature: | 88.5°F |
|
Average Night Temperature: | 78.3°F |
|
Sea Water Temperature: | 78.7°F |
|
Number of Sunny Days: | 28 days |
| Sunshine Hours: | 13.2 - 14.3 hours | |
|
Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.3 in | |
| detailed information | ||
forecast
| Istanbul |
Temperature
| Istanbul |
Air Temperature in August, °F
The highest day temperature in August 2025 was 91°F. The lowest night temperature was 71°F. The average values for day and night temperatures during August were 86.4°F и 75.9°F respectivly.
Istanbul Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Istanbul was 76.5°F. The maximum and minimum values were 72.6°F and 79.2°F respectively.
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Istanbul is 0.3 in. It makes august the least rainy month of the year.
The average wind speed in August is 13.7 mph. It makes August the most windy month of the year for Istanbul.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Istanbul in August is 12.1 hours.
Istanbul on the Weather Map
| Alanya |  |
+58 |
| Antalya | |
+54 |
| Avsallar | |
+58 |
| Beldibi |  |
+52 |
| Belek | |
+60 |
| Bodrum |  |
+64 |
| Fethiye |  |
+60 |
| Istanbul | |
+54 |
| Kas | |
+50 |
| Kemer | |
+52 |
| Konakli | |
+58 |
| Marmaris | |
+58 |
| Okurcalar | |
+60 |
| Oludeniz | |
+60 |
| Side | |
+60 |
| 0900 |  |
56°F | W 6 mph |
| 1200 | |
64°F | SW 9 mph |
| 1500 | |
64°F | W 9 mph |
| 1800 |  |
60°F | SW 5 mph |
| 2100 | |
60°F | W 6 mph |
| 0000 | |
58°F | SW 5 mph |
| 0300 | |
58°F | NW 4 mph |
| 0600 | |
58°F | NW 3 mph |