Weather in Istanbul in August
August in Istanbul is warm with average temperatures around 25.7°C (78.3°F). Light rainfall with only 22mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
29.3°C
84.7°F
Low
22.2°C
72.0°F
Precipitation
22 mm
0.9 inches
~4 rainy days
Conditions
Humidity
66%
Comparison to Adjacent Months
August is 3.5°C warmer than September, 32mm drier than September.