Weather in Istanbul in October
In an average October, Istanbul sees a daily high around 19°C and a low around 15°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 16°C to 23°C |
| Average low | 15°C |
| Typical low range | 12°C to 18°C |
| Average daily precipitation | 3 mm |
October records
The most extreme October on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
30°C
1984-10-07
Lowest
8°C
1987-10-30
Low
Highest
22°C
2020-10-07
Lowest
6°C
2011-10-18
Feels-like
Highest
32°C
1984-10-07
Lowest
1°C
2011-10-18
Humidity
Highest
17.2 g/m³
2012-10-03
Lowest
4.8 g/m³
2017-10-31
Wind
Highest
50 km/h
2003-10-09
Lowest
7 km/h
1993-10-11
Gust
Highest
87 km/h
2003-10-09
Lowest
11 km/h
1993-10-24
Precip
Wettest
260 mm
2010
Driest
8 mm
1993
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