Weather in Istanbul in October
October in Istanbul is mild with average temperatures around 17.3°C (63.1°F). Moderate rainfall of 70mm spread over 9 days.
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
20.1°C
68.2°F
Low
14.5°C
58.1°F
Precipitation
70 mm
2.7 inches
~9 rainy days
Conditions
Humidity
76%
Comparison to Adjacent Months
October is 4.9°C cooler than September.
October is 4.8°C warmer than November.